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Apache CXF example source code file (AttachmentDataSource.java)
The Apache CXF AttachmentDataSource.java source code/** * 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.cxf.attachment; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import javax.activation.DataSource; import org.apache.cxf.helpers.IOUtils; import org.apache.cxf.io.CachedOutputStream; public class AttachmentDataSource implements DataSource { private final String ct; private CachedOutputStream cache; private InputStream ins; private DelegatingInputStream delegate; public AttachmentDataSource(String ctParam, InputStream inParam) throws IOException { this.ct = ctParam; ins = inParam; } public boolean isCached() { return cache != null; } public void cache() throws IOException { if (cache == null) { cache = new CachedOutputStream(); IOUtils.copy(ins, cache); cache.lockOutputStream(); ins.close(); ins = null; if (delegate != null) { delegate.setInputStream(cache.getInputStream()); } } } public void hold() throws IOException { cache(); cache.holdTempFile(); } public void release() { cache.releaseTempFileHold(); } public String getContentType() { return ct; } public InputStream getInputStream() { try { if (cache != null) { return cache.getInputStream(); } if (delegate == null) { delegate = new DelegatingInputStream(ins); } return delegate; } catch (IOException e) { return null; } } public String getName() { return null; } public OutputStream getOutputStream() throws IOException { throw new UnsupportedOperationException(); } } Other Apache CXF examples (source code examples)Here is a short list of links related to this Apache CXF AttachmentDataSource.java source code file: |
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