| /* |
| * 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.sourcedelement; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| |
| import javax.xml.stream.XMLStreamReader; |
| |
| import org.apache.axiom.om.OMDataSourceExt; |
| import org.apache.axiom.om.OMElement; |
| import org.apache.axiom.om.OMFactory; |
| import org.apache.axiom.om.OMMetaFactory; |
| import org.apache.axiom.om.OMNamespace; |
| import org.apache.axiom.om.OMNode; |
| import org.apache.axiom.om.OMSourcedElement; |
| import org.apache.axiom.om.ds.InputStreamDataSource; |
| import org.apache.axiom.ts.AxiomTestCase; |
| |
| /** |
| * Tests functionality of InputStreamDataSource |
| */ |
| public class TestInputStreamDS extends AxiomTestCase { |
| public TestInputStreamDS(OMMetaFactory metaFactory) { |
| super(metaFactory); |
| } |
| |
| protected void runTest() throws Throwable { |
| OMFactory factory = metaFactory.getOMFactory(); |
| |
| String localName = "myPayload"; |
| String encoding = "utf-8"; |
| String payload1 = "<tns:myPayload xmlns:tns=\"urn://test\">Payload One</tns:myPayload>"; |
| OMNamespace ns = factory.createOMNamespace("urn://test", "tns"); |
| ByteArrayInputStream bais1 = new ByteArrayInputStream(payload1.getBytes(encoding)); |
| InputStreamDataSource isds1 = new InputStreamDataSource(bais1, encoding); |
| |
| OMElement parent = factory.createOMElement("root", null); |
| OMSourcedElement omse = factory.createOMElement(isds1, localName, ns); |
| parent.addChild(omse); |
| OMNode firstChild = parent.getFirstOMChild(); |
| assertTrue("Expected OMSourcedElement child", firstChild instanceof OMSourcedElement); |
| OMSourcedElement child = (OMSourcedElement) firstChild; |
| assertTrue("OMSourcedElement is expanded. This is unexpected", !child.isExpanded()); |
| assertTrue("OMSourcedElement should be backed by a InputStreamDataSource", |
| child.getDataSource() instanceof InputStreamDataSource); |
| |
| // A InputStreamDataSource consumes the backing object when read. |
| // Thus getting the XMLStreamReader of the ByteArrayDataSource should |
| // cause expansion of the OMSourcedElement. |
| XMLStreamReader reader = child.getXMLStreamReader(); |
| reader.next(); |
| assertTrue("OMSourcedElement is not expanded. This is unexpected", |
| child.isExpanded()); |
| |
| child.detach(); |
| |
| // Reset the tree |
| isds1 = new InputStreamDataSource( |
| new ByteArrayInputStream(payload1.getBytes(encoding)), |
| encoding); |
| omse = factory.createOMElement(isds1, localName, ns); |
| parent.addChild(omse); |
| firstChild = parent.getFirstOMChild(); |
| child = (OMSourcedElement) firstChild; |
| |
| // Likewise, an InputStreamDataSource consumes the backing object when |
| // written. Thus serializing the OMSourcedElement should cause the expansion |
| // of the OMSourcedElement. |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| parent.serialize(baos); |
| String output = baos.toString(encoding); |
| assertTrue("The payload was not present in the output", |
| output.indexOf(payload1) > 0); |
| assertTrue("OMSourcedElement is not expanded. This is unexpected", child.isExpanded()); |
| |
| // Reset the tree |
| child.detach(); |
| isds1 = new InputStreamDataSource( |
| new ByteArrayInputStream(payload1.getBytes(encoding)), |
| encoding); |
| omse = factory.createOMElement(isds1, localName, ns); |
| parent.addChild(omse); |
| firstChild = parent.getFirstOMChild(); |
| child = (OMSourcedElement) firstChild; |
| |
| // Test getting the raw bytes from the ByteArrayDataSource. |
| OMDataSourceExt ds = (OMDataSourceExt) child.getDataSource(); |
| byte[] bytes = ds.getXMLBytes(encoding); // Get the bytes as UTF-16 |
| String payload = new String(bytes, encoding); |
| assertTrue("The obtained bytes did not match the payload", |
| payload1.equals(payload)); |
| } |
| } |