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| | |
| | | /* |
| | | * CDDL HEADER START |
| | | * |
| | | * The contents of this file are subject to the terms of the |
| | | * Common Development and Distribution License, Version 1.0 only |
| | | * (the "License"). You may not use this file except in compliance |
| | | * with the License. |
| | | * |
| | | * You can obtain a copy of the license at |
| | | * trunk/opends/resource/legal-notices/OpenDS.LICENSE |
| | | * or https://OpenDS.dev.java.net/OpenDS.LICENSE. |
| | | * See the License for the specific language governing permissions |
| | | * and limitations under the License. |
| | | * |
| | | * When distributing Covered Code, include this CDDL HEADER in each |
| | | * file and include the License file at |
| | | * trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable, |
| | | * add the following below this CDDL HEADER, with the fields enclosed |
| | | * by brackets "[]" replaced with your own identifying information: |
| | | * Portions Copyright [yyyy] [name of copyright owner] |
| | | * |
| | | * CDDL HEADER END |
| | | * |
| | | * |
| | | * Portions Copyright 2007 Sun Microsystems, Inc. |
| | | */ |
| | | package org.opends.server.tools.makeldif; |
| | | |
| | | |
| | | |
| | | import java.util.List; |
| | | import java.util.Random; |
| | | |
| | | import org.opends.server.types.InitializationException; |
| | | |
| | | import static org.opends.server.messages.MessageHandler.*; |
| | | import static org.opends.server.messages.ToolMessages.*; |
| | | |
| | | |
| | | |
| | | /** |
| | | * This class defines a tag that may be used to select a value from a |
| | | * pre-defined list, optionally defining weights for each value that can impact |
| | | * the likelihood of a given item being selected. The itemts to include in the |
| | | * list should be specified as arguments to the tag. If the argument ends with |
| | | * a semicolon followed by an integer, then that will be the weight for that |
| | | * particular item. If no weight is given, then the weight for that item will |
| | | * be assumed to be one. |
| | | */ |
| | | public class ListTag |
| | | extends Tag |
| | | { |
| | | // The ultimate cumulative weight. |
| | | private int cumulativeWeight; |
| | | |
| | | // The set of cumulative weights for the list items. |
| | | private int[] valueWeights; |
| | | |
| | | // The set of values in the list. |
| | | private String[] valueStrings; |
| | | |
| | | // The random number generator for this tag. |
| | | private Random random; |
| | | |
| | | |
| | | |
| | | /** |
| | | * Creates a new instance of this list tag. |
| | | */ |
| | | public ListTag() |
| | | { |
| | | // No implementation required. |
| | | } |
| | | |
| | | |
| | | |
| | | /** |
| | | * Retrieves the name for this tag. |
| | | * |
| | | * @return The name for this tag. |
| | | */ |
| | | public String getName() |
| | | { |
| | | return "List"; |
| | | } |
| | | |
| | | |
| | | |
| | | /** |
| | | * Indicates whether this tag is allowed for use in the extra lines for |
| | | * branches. |
| | | * |
| | | * @return <CODE>true</CODE> if this tag may be used in branch definitions, |
| | | * or <CODE>false</CODE> if not. |
| | | */ |
| | | public boolean allowedInBranch() |
| | | { |
| | | return true; |
| | | } |
| | | |
| | | |
| | | |
| | | /** |
| | | * Performs any initialization for this tag that may be needed while parsing |
| | | * a branch definition. |
| | | * |
| | | * @param templateFile The template file in which this tag is used. |
| | | * @param branch The branch in which this tag is used. |
| | | * @param arguments The set of arguments provided for this tag. |
| | | * @param lineNumber The line number on which this tag appears in the |
| | | * template file. |
| | | * @param warnings A list into which any appropriate warning messages |
| | | * may be placed. |
| | | * |
| | | * @throws InitializationException If a problem occurs while initializing |
| | | * this tag. |
| | | */ |
| | | public void initializeForBranch(TemplateFile templateFile, Branch branch, |
| | | String[] arguments, int lineNumber, |
| | | List<String> warnings) |
| | | throws InitializationException |
| | | { |
| | | initializeInternal(templateFile, arguments, lineNumber, warnings); |
| | | } |
| | | |
| | | |
| | | |
| | | /** |
| | | * Performs any initialization for this tag that may be needed while parsing |
| | | * a template definition. |
| | | * |
| | | * @param templateFile The template file in which this tag is used. |
| | | * @param template The template in which this tag is used. |
| | | * @param arguments The set of arguments provided for this tag. |
| | | * @param lineNumber The line number on which this tag appears in the |
| | | * template file. |
| | | * @param warnings A list into which any appropriate warning messages |
| | | * may be placed. |
| | | * |
| | | * @throws InitializationException If a problem occurs while initializing |
| | | * this tag. |
| | | */ |
| | | public void initializeForTemplate(TemplateFile templateFile, |
| | | Template template, String[] arguments, |
| | | int lineNumber, List<String> warnings) |
| | | throws InitializationException |
| | | { |
| | | initializeInternal(templateFile, arguments, lineNumber, warnings); |
| | | } |
| | | |
| | | |
| | | |
| | | /** |
| | | * Performs any initialization for this tag that may be needed for this tag. |
| | | * |
| | | * @param templateFile The template file in which this tag is used. |
| | | * @param arguments The set of arguments provided for this tag. |
| | | * @param lineNumber The line number on which this tag appears in the |
| | | * template file. |
| | | * @param warnings A list into which any appropriate warning messages |
| | | * may be placed. |
| | | * |
| | | * @throws InitializationException If a problem occurs while initializing |
| | | * this tag. |
| | | */ |
| | | private void initializeInternal(TemplateFile templateFile, String[] arguments, |
| | | int lineNumber, List<String> warnings) |
| | | throws InitializationException |
| | | { |
| | | if (arguments.length == 0) |
| | | { |
| | | int msgID = MSGID_MAKELDIF_TAG_LIST_NO_ARGUMENTS; |
| | | String message = getMessage(msgID, lineNumber); |
| | | throw new InitializationException(msgID, message); |
| | | } |
| | | |
| | | |
| | | valueStrings = new String[arguments.length]; |
| | | valueWeights = new int[arguments.length]; |
| | | cumulativeWeight = 0; |
| | | random = templateFile.getRandom(); |
| | | |
| | | for (int i=0; i < arguments.length; i++) |
| | | { |
| | | String s = arguments[i]; |
| | | |
| | | int weight = 1; |
| | | int semicolonPos = s.lastIndexOf(';'); |
| | | if (semicolonPos >= 0) |
| | | { |
| | | try |
| | | { |
| | | weight = Integer.parseInt(s.substring(semicolonPos+1)); |
| | | s = s.substring(0, semicolonPos); |
| | | } |
| | | catch (Exception e) |
| | | { |
| | | int msgID = MSGID_MAKELDIF_TAG_LIST_INVALID_WEIGHT; |
| | | String message = getMessage(msgID, lineNumber, s); |
| | | warnings.add(message); |
| | | } |
| | | } |
| | | |
| | | cumulativeWeight += weight; |
| | | valueStrings[i] = s; |
| | | valueWeights[i] = cumulativeWeight; |
| | | } |
| | | } |
| | | |
| | | |
| | | |
| | | /** |
| | | * Generates the content for this tag by appending it to the provided tag. |
| | | * |
| | | * @param templateEntry The entry for which this tag is being generated. |
| | | * @param templateValue The template value to which the generated content |
| | | * should be appended. |
| | | * |
| | | * @return The result of generating content for this tag. |
| | | */ |
| | | public TagResult generateValue(TemplateEntry templateEntry, |
| | | TemplateValue templateValue) |
| | | { |
| | | int selectedWeight = random.nextInt(cumulativeWeight) + 1; |
| | | for (int i=0; i < valueWeights.length; i++) |
| | | { |
| | | if (selectedWeight <= valueWeights[i]) |
| | | { |
| | | templateValue.getValue().append(valueStrings[i]); |
| | | break; |
| | | } |
| | | } |
| | | |
| | | |
| | | return TagResult.SUCCESS_RESULT; |
| | | } |
| | | } |
| | | |