svn commit: r1026722 - /tomcat/taglibs/standard/trunk/compat/src/main/java/org/apache/taglibs/standard/tag/compat/core/ImportTag.java

[jb...@apache.org]

Author: jboynes
Date: Sun Oct 24 00:42:26 2010
New Revision: 1026722

URL: http://svn.apache.org/viewvc?rev=1026722&view=rev
Log:
Add JSTL 1.0 Import tag that uses javax.el to process EL expressions

Added:
    tomcat/taglibs/standard/trunk/compat/src/main/java/org/apache/taglibs/standard/tag/compat/core/ImportTag.java

Added: tomcat/taglibs/standard/trunk/compat/src/main/java/org/apache/taglibs/standard/tag/compat/core/ImportTag.java
URL: http://svn.apache.org/viewvc/tomcat/taglibs/standard/trunk/compat/src/main/java/org/apache/taglibs/standard/tag/compat/core/ImportTag.java?rev=1026722&view=auto
==============================================================================
--- tomcat/taglibs/standard/trunk/compat/src/main/java/org/apache/taglibs/standard/tag/compat/core/ImportTag.java (added)
+++ tomcat/taglibs/standard/trunk/compat/src/main/java/org/apache/taglibs/standard/tag/compat/core/ImportTag.java Sun Oct 24 00:42:26 2010
@@ -0,0 +1,67 @@
+/*
+ * 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.taglibs.standard.tag.compat.core;
+
+import javax.el.ValueExpression;
+import javax.servlet.jsp.JspException;
+
+import org.apache.taglibs.standard.tag.common.core.ImportSupport;
+import org.apache.taglibs.standard.util.ExpressionUtil;
+
+/**
+ */
+public class ImportTag extends ImportSupport {
+
+    private ValueExpression urlExpression;
+    private ValueExpression contextExpression;
+    private ValueExpression charEncodingExpression;
+
+    public ImportTag() {
+    }
+
+    @Override
+    public void release() {
+        urlExpression = null;
+        contextExpression = null;
+        charEncodingExpression = null;
+        super.release();
+    }
+
+    @Override
+    public int doStartTag() throws JspException {
+        url = (String) urlExpression.getValue(pageContext.getELContext());
+        if (contextExpression != null) {
+            context = (String) contextExpression.getValue(pageContext.getELContext());
+        }
+        if (charEncodingExpression != null) {
+            charEncoding = (String) charEncodingExpression.getValue(pageContext.getELContext());
+        }
+        return super.doStartTag();
+    }
+
+    public void setUrl(String url) {
+        urlExpression = ExpressionUtil.createValueExpression(pageContext, url, String.class);
+    }
+
+    public void setContext(String context) {
+        contextExpression = ExpressionUtil.createValueExpression(pageContext, context, String.class);
+    }
+
+    public void setCharEncoding(String charEncoding) {
+        charEncodingExpression = ExpressionUtil.createValueExpression(pageContext, charEncoding, String.class);
+    }
+}



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