| /* |
| * 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.axis2.format; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| |
| import javax.activation.DataSource; |
| |
| import org.apache.axiom.om.OMElement; |
| import org.apache.axiom.om.util.ElementHelper; |
| import org.apache.commons.io.input.ReaderInputStream; |
| |
| /** |
| * Data source that represents the text of a given {@link OMElement}. |
| * <p> |
| * The expression |
| * <pre>new TextFromElementDataSource(element, charset, contentType)</pre> |
| * produces a DataSource implementation that is equivalent to |
| * <pre>new ByteArrayDataSource(element.getText().getBytes(charset), contentType)</pre> |
| * but that is more efficient. |
| */ |
| public class TextFromElementDataSource implements DataSource { |
| private final OMElement element; |
| private final String charset; |
| private final String contentType; |
| |
| public TextFromElementDataSource(OMElement element, String charset, String contentType) { |
| this.element = element; |
| this.charset = charset; |
| this.contentType = contentType; |
| } |
| |
| public String getContentType() { |
| return contentType; |
| } |
| |
| public String getName() { |
| return null; |
| } |
| |
| public InputStream getInputStream() throws IOException { |
| return new ReaderInputStream(ElementHelper.getTextAsStream(element, true), charset); |
| } |
| |
| public OutputStream getOutputStream() throws IOException { |
| throw new UnsupportedOperationException(); |
| } |
| } |