svn commit: r604672 - /wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/util/resource/AbstractResourceStreamWriter.java

[jc...@apache.org]

Author: jcompagner
Date: Sun Dec 16 11:23:01 2007
New Revision: 604672

URL: http://svn.apache.org/viewvc?rev=604672&view=rev
Log:
wicket-1218

Added:
    wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/util/resource/AbstractResourceStreamWriter.java

Added: wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/util/resource/AbstractResourceStreamWriter.java
URL: http://svn.apache.org/viewvc/wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/util/resource/AbstractResourceStreamWriter.java?rev=604672&view=auto
==============================================================================
--- wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/util/resource/AbstractResourceStreamWriter.java (added)
+++ wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/util/resource/AbstractResourceStreamWriter.java Sun Dec 16 11:23:01 2007
@@ -0,0 +1,94 @@
+/*
+ * 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.wicket.util.resource;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Locale;
+
+import org.apache.wicket.util.time.Time;
+
+/**
+ * Base implementation of an IResourceStreamWriter so that you only have to override the
+ * {@link IResourceStreamWriter#write(java.io.OutputStream)} Don't forget to overwrite the
+ * {@link IResourceStream#length()} method if you do know the total length that will be generated.
+ * 
+ * @see org.apache.wicket.util.resource.IResourceStreamWriter
+ */
+public abstract class AbstractResourceStreamWriter implements IResourceStreamWriter
+{
+	private static final long serialVersionUID = 1L;
+
+	private Locale locale;
+
+	/**
+	 * Default implementation to return -1. Do override this if you know the length up front.
+	 * 
+	 * @see org.apache.wicket.util.resource.IResourceStream#length()
+	 */
+	public long length()
+	{
+		return -1;
+	}
+
+	/**
+	 * @see org.apache.wicket.util.resource.IResourceStream#getLocale()
+	 */
+	public Locale getLocale()
+	{
+		return locale;
+	}
+
+	/**
+	 * @see org.apache.wicket.util.resource.IResourceStream#setLocale(java.util.Locale)
+	 */
+	public void setLocale(final Locale locale)
+	{
+		this.locale = locale;
+	}
+
+	/**
+	 * Just returns now.
+	 * 
+	 * @see org.apache.wicket.util.watch.IModifiable#lastModifiedTime()
+	 */
+	public Time lastModifiedTime()
+	{
+		return Time.now();
+	}
+
+	/**
+	 * this method should not be used as it is not required for resource writers
+	 * 
+	 * @return input stream
+	 * @throws ResourceStreamNotFoundException
+	 */
+	public final InputStream getInputStream() throws ResourceStreamNotFoundException
+	{
+		throw new IllegalStateException("getInputStream is not used with IResourceStreamWriter");
+	}
+
+	/**
+	 * this method should not be used as it is not required for resource writers <p/> resource write
+	 * generate content directly, not using an input stream, so there's nothing to close later.
+	 * 
+	 * @throws IOException
+	 */
+	public final void close() throws IOException
+	{
+	}
+}
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