Author: jdonnerstag
Date: Sat Jul 10 12:06:52 2010
New Revision: 962822
URL: http://svn.apache.org/viewvc?rev=962822&view=rev
Log:
fixed WICKET-2890 Dynamic CSS and JavaScript resources
Issue: WICKET-2890
Added:
wicket/branches/wicket-1.4.x/wicket/src/main/java/org/apache/wicket/resource/TextTemplateResourceReference.java
Added:
wicket/branches/wicket-1.4.x/wicket/src/main/java/org/apache/wicket/resource/TextTemplateResourceReference.java
URL:
http://svn.apache.org/viewvc/wicket/branches/wicket-1.4.x/wicket/src/main/java/org/apache/wicket/resource/TextTemplateResourceReference.java?rev=962822&view=auto
==============================================================================
---
wicket/branches/wicket-1.4.x/wicket/src/main/java/org/apache/wicket/resource/TextTemplateResourceReference.java
(added)
+++
wicket/branches/wicket-1.4.x/wicket/src/main/java/org/apache/wicket/resource/TextTemplateResourceReference.java
Sat Jul 10 12:06:52 2010
@@ -0,0 +1,156 @@
+/*
+ * 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.resource;
+
+import java.util.Map;
+
+import org.apache.wicket.IClusterable;
+import org.apache.wicket.Resource;
+import org.apache.wicket.ResourceReference;
+import org.apache.wicket.model.IModel;
+import org.apache.wicket.util.resource.IResourceStream;
+import org.apache.wicket.util.resource.StringResourceStream;
+import org.apache.wicket.util.template.PackagedTextTemplate;
+import org.apache.wicket.util.template.TextTemplate;
+import org.apache.wicket.util.time.Time;
+
+/**
+ * A class which adapts a {...@link PackagedTextTemplate} to a {...@link
ResourceReference}.
+ *
+ * @see {...@link
https://cwiki.apache.org/WICKET/dynamically-generate-a-css-stylesheet.html}
+ *
+ * @author James Carman
+ */
+public class TextTemplateResourceReference extends ResourceReference
implements IClusterable
+{
+//
**********************************************************************************************************************
+// Fields
+//
**********************************************************************************************************************
+
+ private static final long serialVersionUID = 1L;
+ private final TextTemplate textTemplate;
+ private final IModel<Map<String, Object>> variablesModel;
+
+//
**********************************************************************************************************************
+// Constructors
+//
**********************************************************************************************************************
+
+ /**
+ * Creates a resource reference to a {...@link PackagedTextTemplate}.
+ *
+ * @param scope
+ * the <code>Class</code> to be used for retrieving the
classloader for loading the
+ * <code>PackagedTextTemplate</code>
+ * @param fileName
+ * the file name
+ * @param variablesModel
+ * the template variables as a model
+ */
+ public TextTemplateResourceReference(final Class<?> scope, final String
fileName,
+ IModel<Map<String, Object>> variablesModel)
+ {
+ super(scope, fileName);
+
+ textTemplate = new PackagedTextTemplate(scope, fileName);
+ this.variablesModel = variablesModel;
+ }
+
+ /**
+ * Creates a resource reference to a {...@link PackagedTextTemplate}.
+ *
+ * @param scope
+ * the <code>Class</code> to be used for retrieving the
classloader for loading the
+ * <code>PackagedTextTemplate</code>
+ * @param fileName
+ * the file name
+ * @param contentType
+ * the mime type of this resource, such as
"<code>image/jpeg</code>" or "
+ * <code>text/html</code>"
+ * @param variablesModel
+ * the template variables as a model
+ */
+ public TextTemplateResourceReference(final Class<?> scope, final String
fileName,
+ final String contentType, IModel<Map<String, Object>>
variablesModel)
+ {
+ super(scope, fileName);
+
+ textTemplate = new PackagedTextTemplate(scope, fileName,
contentType);
+ this.variablesModel = variablesModel;
+ }
+
+ /**
+ * Creates a resource reference to a {...@link PackagedTextTemplate}.
+ *
+ * @param scope
+ * the <code>Class</code> to be used for retrieving the
classloader for loading the
+ * <code>PackagedTextTemplate</code>
+ * @param fileName
+ * the file name
+ * @param contentType
+ * the mime type of this resource, such as
"<code>image/jpeg</code>" or "
+ * <code>text/html</code>"
+ * @param encoding
+ * the file's encoding, for example, "<code>UTF-8</code>"
+ * @param variablesModel
+ * the template variables as a model
+ */
+ public TextTemplateResourceReference(final Class<?> scope, final String
fileName,
+ final String contentType, final String encoding,
IModel<Map<String, Object>> variablesModel)
+ {
+ super(scope, fileName);
+
+ textTemplate = new PackagedTextTemplate(scope, fileName,
contentType, encoding);
+ this.variablesModel = variablesModel;
+ }
+
+//
**********************************************************************************************************************
+// Other Methods
+//
**********************************************************************************************************************
+
+ /**
+ * Creates a new resource which returns the interpolated value of the
text template.
+ *
+ * @return a new resource which returns the interpolated value of the
text template
+ */
+ @Override
+ protected Resource newResource()
+ {
+ return new Resource()
+ {
+ private static final long serialVersionUID = 1L;
+
+ @Override
+ public IResourceStream getResourceStream()
+ {
+ final String stringValue =
textTemplate.asString(variablesModel.getObject());
+ variablesModel.detach(); // We're done with the
model so detach it!
+ return new StringResourceStream(stringValue,
textTemplate.getContentType());
+ }
+ };
+ }
+
+ /**
+ * Returns the last modified time of the {...@link
PackagedTextTemplate} itself.
+ *
+ * @return the last modified time of the {...@link
PackagedTextTemplate} itself
+ */
+ @Override
+ public Time lastModifiedTime()
+ {
+ return textTemplate.lastModifiedTime();
+ }
+}
