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https://github.com/Alfresco/alfresco-community-repo.git
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11ef50b017
Most usages of this will be replaced by the new ThumbnailService in the future. git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@9533 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
73 lines
2.7 KiB
Java
73 lines
2.7 KiB
Java
/*
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* Copyright (C) 2005-2007 Alfresco Software Limited.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* As a special exception to the terms and conditions of version 2.0 of
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* the GPL, you may redistribute this Program in connection with Free/Libre
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* and Open Source Software ("FLOSS") applications as described in Alfresco's
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* FLOSS exception. You should have recieved a copy of the text describing
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* the FLOSS exception, and it is also available here:
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* http://www.alfresco.com/legal/licensing
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*/
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package org.alfresco.repo.template;
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import java.util.List;
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import org.alfresco.repo.processor.BaseProcessorExtension;
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import org.alfresco.repo.template.BaseContentNode.TemplateContentData;
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import freemarker.ext.beans.BeanModel;
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import freemarker.template.TemplateMethodModelEx;
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import freemarker.template.TemplateModelException;
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import freemarker.template.TemplateNumberModel;
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/**
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* @author Kevin Roast
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*
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* FreeMarker custom method to return the first N characters of a content stream.
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* <p>
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* Usage: String cropContent(TemplateContentData content, int length)
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*/
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public final class CropContentMethod extends BaseProcessorExtension implements TemplateMethodModelEx
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{
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/**
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* @see freemarker.template.TemplateMethodModel#exec(java.util.List)
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*/
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public Object exec(List args) throws TemplateModelException
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{
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String result = null;
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if (args.size() == 2)
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{
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Object arg0 = args.get(0);
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Object arg1 = args.get(1);
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if (arg0 instanceof BeanModel && arg1 instanceof TemplateNumberModel)
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{
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Object wrapped = ((BeanModel)arg0).getWrappedObject();
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if (wrapped instanceof TemplateContentData)
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{
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int bytes = ((TemplateNumberModel)arg1).getAsNumber().intValue();
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result = ((TemplateContentData)wrapped).getContentAsText(bytes);
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}
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}
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}
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return result != null ? result : "";
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}
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}
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