/*
* Copyright 1999-2005 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.cocoon.template.script.event;
import java.util.Iterator;
import org.apache.cocoon.components.expression.ExpressionContext;
import org.apache.cocoon.template.environment.ErrorHolder;
import org.apache.cocoon.template.environment.ExecutionContext;
import org.apache.cocoon.template.environment.ParsingContext;
import org.apache.cocoon.template.expression.JXTExpression;
import org.apache.cocoon.template.expression.Literal;
import org.apache.cocoon.template.expression.Subst;
import org.apache.cocoon.template.instruction.MacroContext;
import org.apache.cocoon.template.script.Invoker;
import org.apache.cocoon.xml.XMLConsumer;
import org.xml.sax.Locator;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
/**
* @version SVN $Id: Characters.java 279084 2005-09-06 20:10:53Z lgawron $
*/
public class Characters extends TextEvent {
public Characters(ParsingContext parsingContext, Locator location, char[] chars, int start, int length)
throws SAXException {
super(parsingContext, location, chars, start, length);
}
public Event execute(XMLConsumer consumer,
ExpressionContext expressionContext,
ExecutionContext executionContext, MacroContext macroContext,
Event startEvent, Event endEvent) throws SAXException {
Iterator iter = getSubstitutions().iterator();
while (iter.hasNext()) {
Subst subst = (Subst) iter.next();
char[] chars;
if (subst instanceof Literal) {
chars = ((Literal) subst).getCharArray();
consumer.characters(chars, 0, chars.length);
} else {
JXTExpression expr = (JXTExpression) subst;
try {
Object val = expr.getNode(expressionContext);
Invoker.executeNode(consumer, val);
} catch (Exception e) {
throw new SAXParseException(e.getMessage(), getLocation(), e);
} catch (Error err) {
throw new SAXParseException(err.getMessage(), getLocation(), new ErrorHolder(err));
}
}
}
return getNext();
}
}