home | career | drupal | java | mac | mysql | perl | scala | uml | unix

Groovy example source code file (NamespaceBuilderSupport.java)

This example Groovy source code file (NamespaceBuilderSupport.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Groovy tags/keywords

buildersupport, hashmap, map, namespacebuildersupport, namespacebuildersupport, nodebuilder, object, object, override, override, qname, string, string, util

The Groovy NamespaceBuilderSupport.java source code

/*
 * Copyright 2003-2007 the original author or authors.
 *
 * 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 groovy.xml;

import groovy.util.BuilderSupport;
import groovy.util.NodeBuilder;
import org.codehaus.groovy.runtime.InvokerHelper;

import java.util.HashMap;
import java.util.Map;

/**
 * A helper class for creating namespaced GroovyMarkup
 * 
 * @author <a href="mailto:james@coredevelopers.net">James Strachan
 * @author Paul King
 * @author Denver Dino
 */
public class NamespaceBuilderSupport extends BuilderSupport {
    private boolean autoPrefix;
    private Map<String, String> nsMap = new HashMap();
    private BuilderSupport builder;

    public NamespaceBuilderSupport(BuilderSupport builder) {
        super(builder);
        this.builder = builder;
    }

    public NamespaceBuilderSupport(BuilderSupport builder, String uri) {
        this(builder, uri, "");
    }

    public NamespaceBuilderSupport(BuilderSupport builder, String uri, String prefix) {
        this(builder, uri, prefix, true);
    }

    public NamespaceBuilderSupport(BuilderSupport builder, String uri, String prefix, boolean autoPrefix) {
        this(builder);
        nsMap.put(prefix, uri);
        this.autoPrefix = autoPrefix;
    }

    public NamespaceBuilderSupport(BuilderSupport builder, Map nsMap) {
        this(builder);
        this.nsMap = nsMap;
    }

    public NamespaceBuilderSupport namespace(String namespaceURI) {
        nsMap.put("", namespaceURI);
        return this;
    }

    public NamespaceBuilderSupport namespace(String namespaceURI, String prefix) {
        nsMap.put(prefix, namespaceURI);
        return this;
    }

    public NamespaceBuilderSupport declareNamespace(Map nsMap) {
        this.nsMap = nsMap;
        return this;
    }

    @Override
    protected Object getCurrent() {
        // TODO a better way to do this?
        if (builder instanceof NodeBuilder)
            return InvokerHelper.invokeMethod(builder, "getCurrent", null);
        else
            return super.getCurrent();
    }

    @Override
    protected void setCurrent(Object current) {
        // TODO a better way to do this?
        if (builder instanceof NodeBuilder)
            InvokerHelper.invokeMethod(builder, "setCurrent", current);
        else
            super.setCurrent(current);
    }

    @Override
    protected void setParent(Object parent, Object child) {
    }

    @Override
    protected Object getName(String methodName) {
        String prefix = autoPrefix ? nsMap.keySet().iterator().next() : "";
        String localPart = methodName;
        int idx = methodName.indexOf(':');
        if (idx > 0 ) {
            prefix = methodName.substring(0, idx);
            localPart = methodName.substring(idx + 1);
        }
        String namespaceURI = nsMap.get(prefix);
        if (namespaceURI == null) {
            namespaceURI = "";
            prefix = "";
        }
        return new QName(namespaceURI, localPart, prefix);
    }

    @Override
    protected Object createNode(Object name) {
        return name;
    }

    @Override
    protected Object createNode(Object name, Object value) {
        return name;
    }

    @Override
    protected Object createNode(Object name, Map attributes) {
        return name;
    }

    @Override
    protected Object createNode(Object name, Map attributes, Object value) {
        return name;
    }
}

Other Groovy examples (source code examples)

Here is a short list of links related to this Groovy NamespaceBuilderSupport.java source code file:

new blog posts

 

Copyright 1998-2014 Alvin Alexander, alvinalexander.com
All Rights Reserved.