| /* |
| * 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.util.slurpersupport; |
| |
| import groovy.lang.Closure; |
| import groovy.lang.GroovyObject; |
| import groovy.lang.GroovyRuntimeException; |
| |
| import java.io.IOException; |
| import java.io.Writer; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| import org.codehaus.groovy.runtime.typehandling.DefaultTypeTransformation; |
| |
| /** |
| * @author John Wilson |
| */ |
| |
| public class NodeChild extends GPathResult { |
| private final Node node; |
| |
| public NodeChild(final Node node, final GPathResult parent, final String namespacePrefix, final Map namespaceTagHints) { |
| super(parent, node.name(), namespacePrefix, namespaceTagHints); |
| this.node = node; |
| } |
| |
| public NodeChild(final Node node, final GPathResult parent, final Map namespaceTagHints) { |
| this(node, parent, "*", namespaceTagHints); |
| } |
| |
| public int size() { |
| return 1; |
| } |
| |
| public String text() { |
| return this.node.text(); |
| } |
| |
| public GPathResult parents() { |
| // TODO Auto-generated method stub |
| throw new GroovyRuntimeException("parents() not implemented yet"); |
| } |
| |
| public Iterator iterator() { |
| return new Iterator() { |
| private boolean hasNext = true; |
| |
| public boolean hasNext() { |
| return this.hasNext; |
| } |
| |
| public Object next() { |
| try { |
| return (this.hasNext) ? NodeChild.this : null; |
| } finally { |
| this.hasNext = false; |
| } |
| } |
| |
| public void remove() { |
| throw new UnsupportedOperationException(); |
| } |
| }; |
| } |
| |
| public Iterator nodeIterator() { |
| return new Iterator() { |
| private boolean hasNext = true; |
| |
| public boolean hasNext() { |
| return this.hasNext; |
| } |
| |
| public Object next() { |
| try { |
| return (this.hasNext) ? NodeChild.this.node : null; |
| } finally { |
| this.hasNext = false; |
| } |
| } |
| |
| public void remove() { |
| throw new UnsupportedOperationException(); |
| } |
| }; |
| } |
| |
| public Object getAt(final int index) { |
| if (index == 0) { |
| return node; |
| } else { |
| throw new ArrayIndexOutOfBoundsException(index); |
| } |
| } |
| |
| public Map attributes() { |
| return this.node.attributes(); |
| } |
| |
| public Iterator childNodes() { |
| return this.node.childNodes(); |
| } |
| |
| public GPathResult find(final Closure closure) { |
| if (DefaultTypeTransformation.castToBoolean(closure.call(new Object[]{this.node}))) { |
| return this; |
| } else { |
| return new NoChildren(this, "", this.namespaceTagHints); |
| } |
| } |
| |
| public GPathResult findAll(final Closure closure) { |
| return find(closure); |
| } |
| |
| public void build(final GroovyObject builder) { |
| this.node.build(builder, this.namespaceMap, this.namespaceTagHints); |
| } |
| |
| public Writer writeTo(final Writer out) throws IOException { |
| return this.node.writeTo(out); |
| } |
| |
| protected void replaceNode(final Closure newValue) { |
| this.node.replaceNode(newValue, this); |
| } |
| |
| protected void replaceBody(final Object newValue) { |
| this.node.replaceBody(newValue); |
| } |
| |
| protected void appendNode(final Object newValue) { |
| this.node.appendNode(newValue, this); |
| } |
| } |