svn commit: r595349 - /incubator/abdera/java/trunk/server/src/main/java/org/apache/abdera/protocol/server/impl/StreamWriterResponseContext.java

[jm...@apache.org]

Author: jmsnell
Date: Thu Nov 15 08:26:52 2007
New Revision: 595349

URL: http://svn.apache.org/viewvc?rev=595349&view=rev
Log:
Abstract base impl of a StreamWriter-based ResponseContext

Added:
    incubator/abdera/java/trunk/server/src/main/java/org/apache/abdera/protocol/server/impl/StreamWriterResponseContext.java

Added: incubator/abdera/java/trunk/server/src/main/java/org/apache/abdera/protocol/server/impl/StreamWriterResponseContext.java
URL: http://svn.apache.org/viewvc/incubator/abdera/java/trunk/server/src/main/java/org/apache/abdera/protocol/server/impl/StreamWriterResponseContext.java?rev=595349&view=auto
==============================================================================
--- incubator/abdera/java/trunk/server/src/main/java/org/apache/abdera/protocol/server/impl/StreamWriterResponseContext.java (added)
+++ incubator/abdera/java/trunk/server/src/main/java/org/apache/abdera/protocol/server/impl/StreamWriterResponseContext.java Thu Nov 15 08:26:52 2007
@@ -0,0 +1,82 @@
+/*
+ * 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.abdera.protocol.server.impl;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.io.Writer;
+
+import org.apache.abdera.Abdera;
+import org.apache.abdera.writer.StreamWriter;
+
+/**
+ * Abstract base class for creating ResponseContext implementations that use
+ * the StreamWriter interface.  Using the StreamWriter to write out documents
+ * is significantly faster than using the object model but requires developers
+ * to know more about proper Atom syntax
+ */
+public abstract class StreamWriterResponseContext 
+  extends AbstractResponseContext {
+  
+  private final Abdera abdera;
+  private final String sw;
+  
+  protected StreamWriterResponseContext(
+    Abdera abdera) {
+      this(abdera,null);
+  }
+
+  protected StreamWriterResponseContext(
+    Abdera abdera, 
+    String sw) {
+      this.abdera = abdera;
+      this.sw = sw;
+  }
+  
+  protected final Abdera getAbdera() {
+    return abdera;
+  }
+  
+  protected StreamWriter newStreamWriter() {
+    return sw == null ? 
+      abdera.newStreamWriter() : 
+      abdera.getWriterFactory().newStreamWriter(sw);
+  }
+  
+  public void writeTo(
+    OutputStream out) 
+      throws IOException {
+    writeTo(new OutputStreamWriter(out,"UTF-8"));
+  }
+  
+  public final void writeTo(
+    OutputStream out, 
+    org.apache.abdera.writer.Writer writer)
+      throws IOException {
+    throw new UnsupportedOperationException();
+  }
+  
+  public final void writeTo(
+    Writer javaWriter,
+    org.apache.abdera.writer.Writer abderaWriter) 
+      throws IOException {
+    throw new UnsupportedOperationException();
+  }
+  
+}