| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. 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. For additional information regarding |
| * copyright in this work, please see the NOTICE file in the top level |
| * directory of this distribution. |
| */ |
| package org.apache.abdera2.extra; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.OutputStream; |
| import java.io.OutputStreamWriter; |
| import java.io.Writer; |
| |
| import javax.xml.transform.Result; |
| import javax.xml.transform.stream.StreamResult; |
| |
| import org.apache.abdera2.Abdera; |
| import org.apache.abdera2.model.Document; |
| import org.apache.abdera2.model.Element; |
| |
| /** |
| * Provides a simple (and likely somewhat inefficient) implementation of javax.xml.transform.Result that allows Abdera |
| * objects to be used with the javax.xml.transform API's Only use this once per transform!!! |
| */ |
| public final class AbderaResult extends StreamResult implements Result { |
| |
| private final Abdera abdera; |
| private final ByteArrayOutputStream out = |
| new ByteArrayOutputStream(); |
| private Document<?> doc; |
| |
| public AbderaResult() { |
| this(Abdera.getInstance()); |
| } |
| |
| public AbderaResult(Abdera abdera) { |
| this.abdera = abdera; |
| } |
| |
| @SuppressWarnings("unchecked") |
| public <T extends Element> Document<T> getDocument() { |
| if (doc == null) { |
| ByteArrayInputStream in = |
| new ByteArrayInputStream(out.toByteArray()); |
| doc = abdera.getParser().parse(in); |
| } |
| return (Document<T>)doc; |
| } |
| |
| @Override |
| public OutputStream getOutputStream() { |
| return out; |
| } |
| |
| @Override |
| public Writer getWriter() { |
| return new OutputStreamWriter(getOutputStream()); |
| } |
| |
| @Override |
| public void setOutputStream(OutputStream out) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void setWriter(Writer out) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| } |