/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2006-2008 Sun Microsystems, Inc.
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* Portions copyright 2014-2015 ForgeRock AS
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*/
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package com.forgerock.opendj.cli;
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import static com.forgerock.opendj.cli.CliMessages.*;
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import static com.forgerock.opendj.util.StaticUtils.*;
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import java.util.Iterator;
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import java.util.LinkedList;
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import org.forgerock.i18n.LocalizableMessage;
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import org.forgerock.i18n.LocalizableMessageBuilder;
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/**
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* This class defines a generic argument that may be used in the argument list
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* for an application. This is an abstract class that must be subclassed in
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* order to provide specific functionality.
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*/
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public abstract class Argument {
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/**
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* Indicates whether this argument should be hidden in the usage
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* information.
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*/
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private boolean isHidden;
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/**
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* Indicates whether this argument may be specified more than once for
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* multiple values.
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*/
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private boolean isMultiValued;
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/**
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* Indicates whether this argument was provided in the set of
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* command-line arguments.
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*/
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private boolean isPresent;
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/** Indicates whether this argument is required to have a value. */
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private boolean isRequired;
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/** Indicates whether this argument requires a value. */
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private boolean needsValue;
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/** The single-character identifier for this argument. */
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private final Character shortIdentifier;
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/** The unique ID of the description for this argument. */
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private final LocalizableMessage description;
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/** The set of values for this argument. */
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private final LinkedList<String> values;
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/** The default value for the argument if none other is provided. */
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private String defaultValue;
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/** The long identifier for this argument. */
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private final String longIdentifier;
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/** The generic name that will be used to refer to this argument. */
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private final String name;
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/** The name of the property that can be used to set the default value. */
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private String propertyName;
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/**
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* The value placeholder for this argument, which will be used in
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* usage information.
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*/
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private LocalizableMessage valuePlaceholder;
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/**
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* Indicates whether this argument was provided in the set of
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* properties found is a properties file.
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*/
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private boolean isValueSetByProperty;
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/**
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* Creates a new argument with the provided information.
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*
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* @param name
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* The generic name that should be used to refer to this
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* argument.
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* @param shortIdentifier
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* The single-character identifier for this argument, or
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* <CODE>null</CODE> if there is none.
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* @param longIdentifier
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* The long identifier for this argument, or <CODE>null</CODE> if
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* there is none.
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* @param isRequired
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* Indicates whether this argument must be specified on the
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* command line.
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* @param isMultiValued
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* Indicates whether this argument may be specified more than
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* once to provide multiple values.
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* @param needsValue
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* Indicates whether this argument requires a value.
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* @param valuePlaceholder
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* The placeholder for the argument value that will be displayed
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* in usage information, or <CODE>null</CODE> if this argument
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* does not require a value.
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* @param defaultValue
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* The default value that should be used for this argument if
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* none is provided in a properties file or on the command line.
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* This may be <CODE>null</CODE> if there is no generic default.
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* @param propertyName
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* The name of the property in a property file that may be used
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* to override the default value but will be overridden by a
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* command-line argument.
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* @param description
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* LocalizableMessage for the description of this argument.
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* @throws ArgumentException
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* If there is a problem with any of the parameters used to
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* create this argument.
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*/
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protected Argument(final String name, final Character shortIdentifier,
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final String longIdentifier, final boolean isRequired, final boolean isMultiValued,
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final boolean needsValue, final LocalizableMessage valuePlaceholder,
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final String defaultValue, final String propertyName,
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final LocalizableMessage description) throws ArgumentException {
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this.name = name;
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this.shortIdentifier = shortIdentifier;
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this.longIdentifier = longIdentifier;
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this.isRequired = isRequired;
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this.isMultiValued = isMultiValued;
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this.needsValue = needsValue;
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this.valuePlaceholder = valuePlaceholder;
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this.defaultValue = defaultValue;
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this.propertyName = propertyName;
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this.description = description;
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this.isValueSetByProperty = false;
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if (shortIdentifier == null && longIdentifier == null) {
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throw new ArgumentException(ERR_ARG_NO_IDENTIFIER.get(name));
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}
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if (needsValue && valuePlaceholder == null) {
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throw new ArgumentException(ERR_ARG_NO_VALUE_PLACEHOLDER.get(name));
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}
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values = new LinkedList<String>();
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isPresent = false;
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isHidden = false;
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}
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/**
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* Adds a value to the set of values for this argument. This should only be
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* called if the value is allowed by the <CODE>valueIsAcceptable</CODE>
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* method.
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*
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* @param valueString
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* The string representation of the value to add to this
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* argument.
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*/
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public void addValue(final String valueString) {
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values.add(valueString);
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}
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/**
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* Clears the set of values assigned to this argument.
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*/
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public void clearValues() {
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values.clear();
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}
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/**
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* Retrieves the value of this argument as a <CODE>Boolean</CODE>.
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*
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* @return The value of this argument as a <CODE>Boolean</CODE>.
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* @throws ArgumentException
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* If this argument cannot be interpreted as a Boolean value.
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*/
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public boolean getBooleanValue() throws ArgumentException {
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if (values.isEmpty()) {
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throw new ArgumentException(ERR_ARG_NO_BOOLEAN_VALUE.get(name));
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}
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final Iterator<String> iterator = values.iterator();
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final String valueString = toLowerCase(iterator.next());
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if (iterator.hasNext()) {
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throw new ArgumentException(ERR_ARG_BOOLEAN_MULTIPLE_VALUES.get(name));
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}
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if ("true".equals(valueString) || "yes".equals(valueString)
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|| "on".equals(valueString) || "1".equals(valueString)) {
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return true;
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} else if ("false".equals(valueString) || "no".equals(valueString)
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|| "off".equals(valueString) || "0".equals(valueString)) {
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return false;
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} else {
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throw new ArgumentException(ERR_ARG_CANNOT_DECODE_AS_BOOLEAN.get(valueString, name));
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}
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}
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/**
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* Retrieves the default value that will be used for this argument if it is
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* not specified on the command line and it is not set from a properties
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* file.
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*
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* @return The default value that will be used for this argument if it is
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* not specified on the command line and it is not set from a
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* properties file, or <CODE>null</CODE> if there is no default
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* value.
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*/
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public String getDefaultValue() {
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return defaultValue;
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}
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/**
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* Retrieves the human-readable description for this argument.
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*
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* @return The human-readable description for this argument.
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*/
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public LocalizableMessage getDescription() {
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return description != null ? description : LocalizableMessage.EMPTY;
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}
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/**
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* Retrieves the value of this argument as an integer.
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*
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* @return The value of this argument as an integer.
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* @throws ArgumentException
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* If there are multiple values, or the value cannot be parsed
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* as an integer.
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*/
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public double getDoubleValue() throws ArgumentException {
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if (values.isEmpty()) {
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throw new ArgumentException(ERR_ARG_NO_INT_VALUE.get(name));
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}
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final Iterator<String> iterator = values.iterator();
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final String valueString = iterator.next();
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if (iterator.hasNext()) {
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throw new ArgumentException(ERR_ARG_INT_MULTIPLE_VALUES.get(name));
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}
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try {
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return Double.parseDouble(valueString);
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} catch (final Exception e) {
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throw new ArgumentException(ERR_ARG_CANNOT_DECODE_AS_INT.get(valueString, name), e);
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}
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}
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/**
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* Retrieves the set of values for this argument as a list of integers.
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*
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* @return A list of the integer representations of the values for this
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* argument.
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* @throws ArgumentException
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* If any of the values cannot be parsed as an integer.
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*/
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public LinkedList<Double> getDoubleValues() throws ArgumentException {
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final LinkedList<Double> intList = new LinkedList<Double>();
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final Iterator<String> iterator = values.iterator();
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while (iterator.hasNext()) {
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final String valueString = iterator.next();
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try {
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intList.add(Double.valueOf(valueString));
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} catch (final Exception e) {
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throw new ArgumentException(ERR_ARG_CANNOT_DECODE_AS_INT.get(valueString, name), e);
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}
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}
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return intList;
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}
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/**
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* Retrieves the value of this argument as an integer.
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*
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* @return The value of this argument as an integer.
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* @throws ArgumentException
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* If there are multiple values, or the value cannot be parsed
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* as an integer.
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*/
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public int getIntValue() throws ArgumentException {
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if (values.isEmpty()) {
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throw new ArgumentException(ERR_ARG_NO_INT_VALUE.get(name));
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}
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final Iterator<String> iterator = values.iterator();
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final String valueString = iterator.next();
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if (iterator.hasNext()) {
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throw new ArgumentException(ERR_ARG_INT_MULTIPLE_VALUES.get(name));
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}
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try {
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return Integer.parseInt(valueString);
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} catch (final Exception e) {
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throw new ArgumentException(ERR_ARG_CANNOT_DECODE_AS_INT.get(valueString, name), e);
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}
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}
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/**
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* Retrieves the set of values for this argument as a list of integers.
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*
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* @return A list of the integer representations of the values for this
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* argument.
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* @throws ArgumentException
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* If any of the values cannot be parsed as an integer.
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*/
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public LinkedList<Integer> getIntValues() throws ArgumentException {
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final LinkedList<Integer> intList = new LinkedList<Integer>();
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final Iterator<String> iterator = values.iterator();
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while (iterator.hasNext()) {
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final String valueString = iterator.next();
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try {
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intList.add(Integer.valueOf(valueString));
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} catch (final Exception e) {
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throw new ArgumentException(ERR_ARG_CANNOT_DECODE_AS_INT.get(valueString, name), e);
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}
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}
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return intList;
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}
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/**
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* Retrieves the long (multi-character) identifier that may be used to
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* specify the value of this argument.
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*
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* @return The long (multi-character) identifier that may be used to specify
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* the value of this argument.
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*/
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public String getLongIdentifier() {
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return longIdentifier;
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}
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/**
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* Retrieves the generic name that will be used to refer to this argument.
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*
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* @return The generic name that will be used to refer to this argument.
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*/
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public String getName() {
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return name;
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}
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/**
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* Retrieves the name of a property in a properties file that may be used to
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* set the default value for this argument if it is present. A value read
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* from a properties file will override the default value returned from the
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* <CODE>getDefaultValue</CODE>, but the properties file value will be
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* overridden by a value supplied on the command line.
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*
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* @return The name of a property in a properties file that may be used to
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* set the default value for this argument if it is present.
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*/
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public String getPropertyName() {
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return propertyName;
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}
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/**
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* Retrieves the single-character identifier that may be used to specify the
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* value of this argument.
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*
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* @return The single-character identifier that may be used to specify the
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* value of this argument, or <CODE>null</CODE> if there is none.
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*/
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public Character getShortIdentifier() {
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return shortIdentifier;
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}
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/**
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* Retrieves the string vale for this argument. If it has multiple values,
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* then the first will be returned. If it does not have any values, then the
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* default value will be returned.
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*
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* @return The string value for this argument, or <CODE>null</CODE> if there
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* are no values and no default value has been given.
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*/
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public String getValue() {
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if (values.isEmpty()) {
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return defaultValue;
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}
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return values.getFirst();
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}
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/**
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* Retrieves the value placeholder that will be displayed for this argument
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* in the generated usage information.
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*
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* @return The value placeholder that will be displayed for this argument in
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* the generated usage information, or <CODE>null</CODE> if there is
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* none.
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*/
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public LocalizableMessage getValuePlaceholder() {
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return valuePlaceholder;
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}
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/**
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* Retrieves the set of string values for this argument.
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*
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* @return The set of string values for this argument.
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*/
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public LinkedList<String> getValues() {
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return values;
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}
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/**
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* Indicates whether this argument has at least one value.
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*
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* @return <CODE>true</CODE> if this argument has at least one value, or
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* <CODE>false</CODE> if it does not have any values.
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*/
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public boolean hasValue() {
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return !values.isEmpty();
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}
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/**
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* Indicates whether this argument should be hidden from the usage
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* information.
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*
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* @return <CODE>true</CODE> if this argument should be hidden from the
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* usage information, or <CODE>false</CODE> if not.
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*/
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public boolean isHidden() {
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return isHidden;
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}
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/**
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* Indicates whether this argument may be provided more than once on the
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* command line to specify multiple values.
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*
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* @return <CODE>true</CODE> if this argument may be provided more than once
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* on the command line to specify multiple values, or
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* <CODE>false</CODE> if it may have at most one value.
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*/
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public boolean isMultiValued() {
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return isMultiValued;
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}
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/**
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* Indicates whether this argument is present in the parsed set of
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* command-line arguments.
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*
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* @return <CODE>true</CODE> if this argument is present in the parsed set
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* of command-line arguments, or <CODE>false</CODE> if not.
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*/
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public boolean isPresent() {
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return isPresent;
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}
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/**
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* Indicates whether this argument is required to have at least one value.
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*
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* @return <CODE>true</CODE> if this argument is required to have at least
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* one value, or <CODE>false</CODE> if it does not need to have a
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* value.
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*/
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public boolean isRequired() {
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return isRequired;
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}
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/**
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* Indicates whether this argument was provided in the set of properties
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* found is a properties file.
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*
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* @return <CODE>true</CODE> if this argument was provided in the set of
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* properties found is a properties file, or <CODE>false</CODE> if
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* not.
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*/
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public boolean isValueSetByProperty() {
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return isValueSetByProperty;
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}
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/**
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* Indicates whether a value must be provided with this argument if it is
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* present.
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*
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* @return <CODE>true</CODE> if a value must be provided with the argument
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* if it is present, or <CODE>false</CODE> if the argument does not
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* take a value and the presence of the argument identifier itself
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* is sufficient to convey the necessary information.
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*/
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public boolean needsValue() {
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return needsValue;
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}
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/**
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* Specifies the default value that will be used for this argument if it is
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* not specified on the command line and it is not set from a properties
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* file.
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*
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* @param defaultValue
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* The default value that will be used for this argument if it is
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* not specified on the command line and it is not set from a
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* properties file.
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*/
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public void setDefaultValue(final String defaultValue) {
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this.defaultValue = defaultValue;
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}
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/**
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* Specifies whether this argument should be hidden from the usage
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* information.
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*
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* @param isHidden
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* Indicates whether this argument should be hidden from the
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* usage information.
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*/
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public void setHidden(final boolean isHidden) {
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this.isHidden = isHidden;
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}
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/**
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* Specifies whether this argument may be provided more than once on the
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* command line to specify multiple values.
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*
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* @param isMultiValued
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* Indicates whether this argument may be provided more than once
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* on the command line to specify multiple values.
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*/
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public void setMultiValued(final boolean isMultiValued) {
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this.isMultiValued = isMultiValued;
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}
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/**
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* Specifies whether a value must be provided with this argument if it is
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* present. If this is changed from <CODE>false</CODE> to <CODE>true</CODE>,
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* then a value placeholder must also be provided.
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*
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* @param needsValue
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* Indicates whether a value must be provided with this argument
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* if it is present.
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*/
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public void setNeedsValue(final boolean needsValue) {
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this.needsValue = needsValue;
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}
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/**
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* Specifies whether this argument is present in the parsed set of
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* command-line arguments.
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*
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* @param isPresent
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* Indicates whether this argument is present in the set of
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* command-line arguments.
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*/
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public void setPresent(final boolean isPresent) {
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this.isPresent = isPresent;
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}
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/**
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* Specifies the name of a property in a properties file that may be used to
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* set the default value for this argument if it is present.
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*
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* @param propertyName
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* The name of a property in a properties file that may be used
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* to set the default value for this argument if it is present.
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*/
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public void setPropertyName(final String propertyName) {
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this.propertyName = propertyName;
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}
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/**
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* Specifies whether this argument is required to have at least one value.
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*
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* @param isRequired
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* Indicates whether this argument is required to have at least
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* one value.
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*/
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public void setRequired(final boolean isRequired) {
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this.isRequired = isRequired;
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}
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/**
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* Specifies the value placeholder that will be displayed for this argument
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* in the generated usage information. It may be <CODE>null</CODE> only if
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* <CODE>needsValue()</CODE> returns <CODE>false</CODE>.
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*
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* @param valuePlaceholder
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* The value placeholder that will be displayed for this argument
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* in the generated usage information.
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*/
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public void setValuePlaceholder(final LocalizableMessage valuePlaceholder) {
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this.valuePlaceholder = valuePlaceholder;
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}
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/**
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* Specifies whether this argument was provided in the set of properties
|
* found is a properties file.
|
*
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* @param isValueSetByProperty
|
* Specify whether this argument was provided in the set of
|
* properties found is a properties file.
|
*/
|
public void setValueSetByProperty(final boolean isValueSetByProperty) {
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this.isValueSetByProperty = isValueSetByProperty;
|
}
|
|
/**
|
* Indicates whether the provided value is acceptable for use in this
|
* argument.
|
*
|
* @param valueString
|
* The value for which to make the determination.
|
* @param invalidReason
|
* A buffer into which the invalid reason may be written if the
|
* value is not acceptable.
|
* @return <CODE>true</CODE> if the value is acceptable, or
|
* <CODE>false</CODE> if it is not.
|
*/
|
public abstract boolean valueIsAcceptable(String valueString,
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LocalizableMessageBuilder invalidReason);
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|
/** {@inheritDoc} */
|
@Override
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public String toString() {
|
final StringBuilder sb = new StringBuilder();
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sb.append(getClass().getSimpleName());
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sb.append("(");
|
if (longIdentifier != null) {
|
sb.append("longID=");
|
sb.append(longIdentifier);
|
}
|
if (shortIdentifier != null) {
|
if (longIdentifier != null) {
|
sb.append(", ");
|
}
|
sb.append("shortID=");
|
sb.append(shortIdentifier);
|
}
|
sb.append(")");
|
return sb.toString();
|
}
|
}
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