/*
* RHQ Management Platform
* Copyright (C) 2005-2008 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation version 2 of the License.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package org.rhq.core.tool.plugindoc;
import org.apache.velocity.app.event.implement.EscapeReference;
/**
* A Velocity {@link org.apache.velocity.app.event.ReferenceInsertionEventHandler} that escapes Confluence special
* characters. Configure this handler as follows:
* <code>
* velocityConfig.setProperty("eventhandler.referenceinsertion.class", EscapeConfluenceReference.class.getName());
* </code>
*
* @author Ian Springer
*/
public class EscapeConfluenceReference extends EscapeReference {
static final String MATCH_ATTRIBUTE = "eventhandler.escape.confluence.match";
private static final String CONFLUENCE_SPECIAL_CHARS = "{}[]|*_?-+^~#";
protected String escape(Object obj) {
StringBuilder escapedString = new StringBuilder();
String origString = obj.toString();
for (int i = 0; i < origString.length(); i++) {
char c = origString.charAt(i);
if (CONFLUENCE_SPECIAL_CHARS.indexOf(c) != -1) {
escapedString.append('\\');
}
escapedString.append(c);
}
return escapedString.toString();
}
/**
* Escape the provided text if it matches the configured regular expression.
*/
public Object referenceInsert(String reference, Object value)
{
if(reference.contains("helpText"))
{
return value;
}
else
{
return super.referenceInsert(reference, value);
}
}
protected String getMatchAttribute() {
return MATCH_ATTRIBUTE;
}
}