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Merged BRANCHES\DEV\MODEL_SPLIT to HEAD

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Split the data dictionary out from the repository.
    There is a new DataModel project to add into eclipse
    Still to move a few context dependent tests


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@20877 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Andrew Hind
2010-06-30 14:17:18 +00:00
parent 3238ca154a
commit 1e19360747
172 changed files with 170 additions and 30303 deletions
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110
source/java/org/alfresco/repo/content/encoding/ContentCharsetFinder.java
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/*
* Copyright (C) 2005-2010 Alfresco Software Limited.
*
* This file is part of Alfresco
*
* Alfresco is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Alfresco is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
*/
package org.alfresco.repo.content.encoding;
import java.io.InputStream;
import java.nio.charset.Charset;
import java.util.List;
import org.alfresco.encoding.CharactersetFinder;
import org.alfresco.service.cmr.repository.MimetypeService;
/**
* Utility bean to guess the charset given a stream and a mimetype.
*
* @since 2.1
* @author Derek Hulley
*/
public class ContentCharsetFinder
{
private Charset defaultCharset = Charset.defaultCharset();
private MimetypeService mimetypeService;
private List<CharactersetFinder> charactersetFinders;
/**
* Override the system default charset. Where the characterset cannot be determined for
* a mimetype and input stream, this mimetype will be used. The default is 'UTF-8'.
*
* @param defaultCharset the default characterset
*/
public void setDefaultCharset(String defaultCharset)
{
this.defaultCharset = Charset.forName(defaultCharset);
}
/**
* Set the mimetype service that will help determine if a particular mimetype can be
* treated as encoded text or not.
*/
public void setMimetypeService(MimetypeService mimetypeService)
{
this.mimetypeService = mimetypeService;
}
/**
* Set the list of characterset finder to execute, in order, for text based content.
* @param charactersetFinders a list of finders
*/
public void setCharactersetFinders(List<CharactersetFinder> charactersetFinders)
{
this.charactersetFinders = charactersetFinders;
}
/**
* Gets the characterset from the stream, if the mimetype is text and the text
* has enough information to give the encoding away. Otherwise, the default
* is returned.
*
* @param is a stream that will not be affected by the call, but must
* support marking
* @param mimetype the mimetype of the stream data - <tt>null</tt> if not known
* @return returns a characterset and never <tt>null</tt>
*/
public Charset getCharset(InputStream is, String mimetype)
{
if (mimetype == null)
{
return defaultCharset;
}
// Is it text?
if (!mimetypeService.isText(mimetype))
{
return defaultCharset;
}
// Try the finders
Charset charset = null;
for (CharactersetFinder finder : charactersetFinders)
{
charset = finder.detectCharset(is);
if (charset != null)
{
break;
}
}
// Done
if (charset == null)
{
return defaultCharset;
}
else
{
return charset;
}
}
}