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Google App Engine compliant variation of FreeMarker. FreeMarker is a "template engine"; a generic tool to generate text output based on templates.

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 freemarker.ext.dom;

import org.w3c.dom.ProcessingInstruction;

import freemarker.template.TemplateScalarModel;

class PINodeModel extends NodeModel implements TemplateScalarModel {
    
    public PINodeModel(ProcessingInstruction pi) {
        super(pi);
    }
    
    @Override
    public String getAsString() {
        return ((ProcessingInstruction) node).getData();
    }
    
    @Override
    public String getNodeName() {
        return "@pi$" + ((ProcessingInstruction) node).getTarget();
    }
    
    @Override
    public boolean isEmpty() {
        return true;
    }
}