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Diffstat (limited to 'framework/src/maven/apache-maven-3.3.3/maven-core/src/test/java/org/apache/maven/project/harness/Xpp3DomNodeIterator.java')
-rw-r--r-- | framework/src/maven/apache-maven-3.3.3/maven-core/src/test/java/org/apache/maven/project/harness/Xpp3DomNodeIterator.java | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/framework/src/maven/apache-maven-3.3.3/maven-core/src/test/java/org/apache/maven/project/harness/Xpp3DomNodeIterator.java b/framework/src/maven/apache-maven-3.3.3/maven-core/src/test/java/org/apache/maven/project/harness/Xpp3DomNodeIterator.java new file mode 100644 index 00000000..796a5ca0 --- /dev/null +++ b/framework/src/maven/apache-maven-3.3.3/maven-core/src/test/java/org/apache/maven/project/harness/Xpp3DomNodeIterator.java @@ -0,0 +1,161 @@ +package org.apache.maven.project.harness; + +/* + * 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. + */ + +import java.util.ArrayList; +import java.util.List; + +import org.apache.commons.jxpath.ri.Compiler; +import org.apache.commons.jxpath.ri.compiler.NodeNameTest; +import org.apache.commons.jxpath.ri.compiler.NodeTest; +import org.apache.commons.jxpath.ri.compiler.NodeTypeTest; +import org.apache.commons.jxpath.ri.model.NodeIterator; +import org.apache.commons.jxpath.ri.model.NodePointer; +import org.codehaus.plexus.util.StringUtils; +import org.codehaus.plexus.util.xml.Xpp3Dom; + +/** + * A node iterator for JXPath to support <code>Xpp3Dom</code>. + * + * @author Benjamin Bentmann + */ +class Xpp3DomNodeIterator + implements NodeIterator +{ + + private NodePointer parent; + + private NodeTest test; + + private Xpp3Dom node; + + private Xpp3Dom[] children; + + private List<Xpp3Dom> filteredChildren = new ArrayList<Xpp3Dom>(); + + private int filteredIndex; + + private Xpp3Dom child; + + private int position; + + public Xpp3DomNodeIterator( NodePointer parent, NodeTest test, boolean reverse, NodePointer startWith ) + { + this.parent = parent; + this.node = (Xpp3Dom) parent.getNode(); + this.children = this.node.getChildren(); + if ( startWith != null ) + { + Xpp3Dom startWithNode = (Xpp3Dom) startWith.getNode(); + for ( ; filteredIndex < children.length; filteredIndex++ ) + { + if ( startWithNode.equals( children[filteredIndex] ) ) + { + filteredIndex++; + break; + } + } + } + this.test = test; + if ( reverse ) + { + throw new UnsupportedOperationException(); + } + } + + public NodePointer getNodePointer() + { + if ( position == 0 ) + { + setPosition( 1 ); + } + return ( child == null ) ? null : new Xpp3DomNodePointer( parent, child ); + } + + public int getPosition() + { + return position; + } + + public boolean setPosition( int position ) + { + this.position = position; + filterChildren( position ); + child = ( position > 0 && position <= filteredChildren.size() ) ? filteredChildren.get( position - 1 ) : null; + return child != null; + } + + private void filterChildren( int position ) + { + for ( ; position > filteredChildren.size() && filteredIndex < children.length; filteredIndex++ ) + { + Xpp3Dom child = children[filteredIndex]; + if ( testNode( child ) ) + { + filteredChildren.add( child ); + } + } + } + + private boolean testNode( Xpp3Dom node ) + { + if ( test == null ) + { + return true; + } + if ( test instanceof NodeNameTest ) + { + String nodeName = node.getName(); + if ( StringUtils.isEmpty( nodeName ) ) + { + return false; + } + + NodeNameTest nodeNameTest = (NodeNameTest) test; + String namespaceURI = nodeNameTest.getNamespaceURI(); + boolean wildcard = nodeNameTest.isWildcard(); + String testName = nodeNameTest.getNodeName().getName(); + String testPrefix = nodeNameTest.getNodeName().getPrefix(); + if ( wildcard && testPrefix == null ) + { + return true; + } + if ( wildcard || testName.equals( nodeName ) ) + { + return StringUtils.isEmpty( namespaceURI ) || StringUtils.isEmpty( testPrefix ); + } + return false; + } + if ( test instanceof NodeTypeTest ) + { + switch ( ( (NodeTypeTest) test ).getNodeType() ) + { + case Compiler.NODE_TYPE_NODE: + return true; + case Compiler.NODE_TYPE_TEXT: + return node.getValue() != null; + default: + return false; + } + } + return false; + } + +} |