org.apache.myfaces.trinidadbuild.plugin.faces.parse.rules.BeanPropertySetterRule.java Source code

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Here is the source code for org.apache.myfaces.trinidadbuild.plugin.faces.parse.rules.BeanPropertySetterRule.java

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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 org.apache.myfaces.trinidadbuild.plugin.faces.parse.rules;

import java.beans.PropertyDescriptor;

import javax.xml.namespace.QName;

import org.apache.myfaces.trinidadbuild.plugin.faces.parse.converters.QNameConverter;
import org.apache.commons.beanutils.BeanUtils;
import org.apache.commons.beanutils.PropertyUtils;

/**
 * Extends Apache Commons Digester BeanPropertySetterRule to add QName support.
 *
 * A QName conveter is not sufficient because it requires contextual
 * knowledge of the current prefix-to-namespace mappings.
 */
public class BeanPropertySetterRule extends org.apache.commons.digester.BeanPropertySetterRule {
    public BeanPropertySetterRule(String propertyName) {
        super(propertyName);
    }

    public void end(String namespace, String name) throws Exception {
        Object top = digester.peek();

        PropertyDescriptor descriptor = PropertyUtils.getPropertyDescriptor(top, propertyName);

        if (descriptor == null) {
            throw new NoSuchMethodException("Missing bean property \"" + propertyName + "\"");
        }

        Class propertyType = descriptor.getPropertyType();

        if (QName.class.equals(propertyType)) {
            int colon = bodyText.indexOf(':');
            if (colon != -1) {
                String namespaceURI = digester.findNamespaceURI(bodyText.substring(0, colon));
                bodyText = "{" + namespaceURI + "}" + bodyText.substring(colon + 1);
            } else if (bodyText.indexOf('{') == -1) {
                String namespaceURI = digester.findNamespaceURI("");
                bodyText = "{" + namespaceURI + "}" + bodyText.substring(colon + 1);
            }
            BeanUtils.setProperty(top, propertyName, bodyText);
        } else {
            super.end(namespace, name);
        }
    }

    static {
        QNameConverter.register();
    }
}