| /* |
| * 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.axiom.ts.om.factory; |
| |
| import javax.xml.namespace.QName; |
| |
| import org.apache.axiom.om.OMContainer; |
| import org.apache.axiom.om.OMElement; |
| import org.apache.axiom.om.OMFactory; |
| import org.apache.axiom.om.OMNamespace; |
| |
| public abstract class CreateOMElementVariant { |
| public static final CreateOMElementVariant[] INSTANCES = { |
| new CreateOMElementVariant("QName", false, false) { |
| @Override |
| public OMElement createOMElement(OMFactory factory, OMContainer parent, String localName, |
| String namespaceURI, String prefix) { |
| if (prefix == null) { |
| prefix = ""; |
| } |
| return factory.createOMElement(new QName(namespaceURI, localName, prefix)); |
| } |
| }, |
| new CreateOMElementVariant("QName,OMContainer", false, true) { |
| @Override |
| public OMElement createOMElement(OMFactory factory, OMContainer parent, String localName, |
| String namespaceURI, String prefix) { |
| if (prefix == null) { |
| prefix = ""; |
| } |
| return factory.createOMElement(new QName(namespaceURI, localName, prefix), parent); |
| } |
| }, |
| new CreateOMElementVariant("String,OMNamespace", true, false) { |
| @Override |
| public OMElement createOMElement(OMFactory factory, OMContainer parent, String localName, |
| String namespaceURI, String prefix) { |
| return factory.createOMElement(localName, |
| getOMNamespace(factory, namespaceURI, prefix)); |
| } |
| }, |
| new CreateOMElementVariant("String,OMNamespace,OMContainer", true, true) { |
| @Override |
| public OMElement createOMElement(OMFactory factory, OMContainer parent, String localName, |
| String namespaceURI, String prefix) { |
| return factory.createOMElement(localName, |
| getOMNamespace(factory, namespaceURI, prefix), parent); |
| } |
| }, |
| new CreateOMElementVariant("String,String,String", true, false) { |
| @Override |
| public OMElement createOMElement(OMFactory factory, OMContainer parent, String localName, |
| String namespaceURI, String prefix) { |
| return factory.createOMElement(localName, namespaceURI, prefix); |
| } |
| }, |
| }; |
| |
| private final String name; |
| private final boolean supportsDefaultNamespace; |
| private final boolean supportsContainer; |
| |
| public CreateOMElementVariant(String name, boolean supportsDefaultNamespace, boolean supportsContainer) { |
| this.name = name; |
| this.supportsDefaultNamespace = supportsDefaultNamespace; |
| this.supportsContainer = supportsContainer; |
| } |
| |
| public final String getName() { |
| return name; |
| } |
| |
| /** |
| * Determines whether this strategy can be used to create an {@link OMElement} in the default |
| * namespace, i.e. with an empty prefix. |
| * |
| * @return <code>true</code> if the strategy supports default namespaces, <code>false</code> |
| * otherwise |
| */ |
| public final boolean isSupportsDefaultNamespace() { |
| return supportsDefaultNamespace; |
| } |
| |
| /** |
| * Determines whether this strategy can be used to create an {@link OMElement} as a child of |
| * another container. |
| * |
| * @return <code>true</code> if a {@link OMContainer} object can be passed to |
| * {@link #createOMElement(OMFactory, OMContainer, String, String, String)} |
| */ |
| public final boolean isSupportsContainer() { |
| return supportsContainer; |
| } |
| |
| /** |
| * Create an {@link OMElement}. |
| * |
| * @param factory |
| * the factory used to create the element |
| * @param parent |
| * the parent of the element to be created or <code>null</code> to create an orphaned |
| * element; this parameter can only be used if {@link #isSupportsContainer()} returns |
| * <code>true</code> |
| * @param localName |
| * the local name of the element |
| * @param namespaceURI |
| * the namespace URI of the element |
| * @param prefix |
| * the prefix of the element, the empty string if the element is to be created in the |
| * default namespace (only supported if {@link #isSupportsDefaultNamespace()} returns |
| * <code>true</code>), or <code>null</code> if a prefix should be generated or chosen |
| * based on the namespace context of the parent |
| * @return the created element |
| */ |
| public abstract OMElement createOMElement(OMFactory factory, OMContainer parent, |
| String localName, String namespaceURI, String prefix); |
| |
| static OMNamespace getOMNamespace(OMFactory factory, String namespaceURI, String prefix) { |
| if (prefix == null) { |
| return factory.createOMNamespace(namespaceURI, null); |
| } else if (prefix.length() == 0 && namespaceURI.length() == 0) { |
| return null; |
| } else { |
| return factory.createOMNamespace(namespaceURI, prefix); |
| } |
| } |
| } |