/*
|
* The contents of this file are subject to the terms of the Common Development and
|
* Distribution License (the License). You may not use this file except in compliance with the
|
* License.
|
*
|
* You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
|
* specific language governing permission and limitations under the License.
|
*
|
* When distributing Covered Software, include this CDDL Header Notice in each file and include
|
* the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
|
* Header, with the fields enclosed by brackets [] replaced by your own identifying
|
* information: "Portions Copyright [year] [name of copyright owner]".
|
*
|
* Copyright 2012-2016 ForgeRock AS.
|
*/
|
package org.opends.dsml.protocol;
|
|
import java.io.IOException;
|
import java.io.InputStream;
|
import java.net.URI;
|
|
import org.forgerock.opendj.ldap.ByteString;
|
import org.forgerock.opendj.ldap.ByteStringBuilder;
|
import org.w3c.dom.Element;
|
|
/**
|
* A utility class to assist in converting DsmlValues (in Objects) into
|
* the required ByteStrings, and back again.
|
*/
|
class ByteStringUtility
|
{
|
/**
|
* Returns a ByteString from a DsmlValue Object.
|
*
|
* @param obj
|
* the DsmlValue object.
|
* @return a new ByteString object with the value, or null if val was null,
|
* or if it could not be converted.
|
* @throws IOException if any problems occurred retrieving an anyURI value.
|
*/
|
public static ByteString convertValue(Object obj) throws IOException
|
{
|
if (obj == null)
|
{
|
return null;
|
}
|
else if (obj instanceof String)
|
{
|
return ByteString.valueOfUtf8((String) obj);
|
}
|
else if (obj instanceof byte[])
|
{
|
return ByteString.wrap((byte[]) obj);
|
}
|
else if (obj instanceof URI)
|
{
|
// read raw content and return as a byte[].
|
try (InputStream is = ((URI) obj).toURL().openStream())
|
{
|
ByteStringBuilder bsb = new ByteStringBuilder();
|
while (bsb.appendBytes(is, 2048) != -1)
|
{
|
// do nothing
|
}
|
return bsb.toByteString();
|
}
|
}
|
else if (obj instanceof Element)
|
{
|
Element element = (Element) obj;
|
return ByteString.valueOfUtf8(element.getTextContent());
|
}
|
return null;
|
}
|
|
/**
|
* Returns a DsmlValue (Object) from an LDAP ByteString. The conversion is
|
* simplistic - try and convert it to UTF-8 and if that fails return a byte[].
|
*
|
* @param bs the ByteString returned from LDAP.
|
* @return a String or a byte[].
|
*/
|
public static Object convertByteString(ByteString bs)
|
{
|
try
|
{
|
return new String(bs.toCharArray());
|
}
|
catch (Exception e)
|
{
|
return bs.toByteArray();
|
}
|
}
|
}
|