| /* |
| * 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; |
| |
| /** |
| * @author John Wilson |
| * |
| */ |
| |
| public class NoChildren extends GPathResult { |
| /** |
| * @param parent |
| * @param name |
| */ |
| public NoChildren(final GPathResult parent, final String name, final Map namespaceTagHints) { |
| super(parent, name, "*", namespaceTagHints); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.codehaus.groovy.sandbox.util.slurpersupport.GPathResult#size() |
| */ |
| public int size() { |
| return 0; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.codehaus.groovy.sandbox.util.slurpersupport.GPathResult#text() |
| */ |
| public String text() { |
| return ""; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.codehaus.groovy.sandbox.util.slurpersupport.GPathResult#parents() |
| */ |
| public GPathResult parents() { |
| // TODO Auto-generated method stub |
| throw new GroovyRuntimeException("parents() not implemented yet"); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.codehaus.groovy.sandbox.util.slurpersupport.GPathResult#childNodes() |
| */ |
| public Iterator childNodes() { |
| return iterator(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.codehaus.groovy.sandbox.util.slurpersupport.GPathResult#iterator() |
| */ |
| public Iterator iterator() { |
| return new Iterator() { |
| public boolean hasNext() { |
| return false; |
| } |
| |
| public Object next() { |
| return null; |
| } |
| |
| public void remove() { |
| throw new UnsupportedOperationException(); |
| } |
| }; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.codehaus.groovy.sandbox.util.slurpersupport.GPathResult#find(groovy.lang.Closure) |
| */ |
| public GPathResult find(final Closure closure) { |
| return this; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.codehaus.groovy.sandbox.util.slurpersupport.GPathResult#findAll(groovy.lang.Closure) |
| */ |
| public GPathResult findAll(final Closure closure) { |
| return this; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.codehaus.groovy.sandbox.util.slurpersupport.GPathResult#nodeIterator() |
| */ |
| public Iterator nodeIterator() { |
| return iterator(); |
| } |
| |
| /* (non-Javadoc) |
| * @see groovy.lang.Writable#writeTo(java.io.Writer) |
| */ |
| public Writer writeTo(final Writer out) throws IOException { |
| return out; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.codehaus.groovy.sandbox.markup.Buildable#build(groovy.lang.GroovyObject) |
| */ |
| public void build(final GroovyObject builder) { |
| } |
| |
| protected void replaceNode(final Closure newValue) { |
| // No elements match GPath expression - do nothing |
| } |
| |
| protected void replaceBody(final Object newValue) { |
| // No elements match GPath expression - do nothing |
| } |
| |
| protected void appendNode(final Object newValue) { |
| // TODO consider creating an element for this |
| } |
| } |