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Posted to commits@struts.apache.org by pb...@apache.org on 2006/12/06 06:44:33 UTC
svn commit: r482911 - in
/struts/struts1/trunk/el/src/main/java/org/apache/strutsel/taglib/html:
ELParamTag.java ELParamTagBeanInfo.java
Author: pbenedict
Date: Tue Dec 5 21:44:33 2006
New Revision: 482911
URL: http://svn.apache.org/viewvc?view=rev&rev=482911
Log:
STR-746: EL+Nested versions of ParamTag and example
Added:
struts/struts1/trunk/el/src/main/java/org/apache/strutsel/taglib/html/ELParamTag.java (with props)
struts/struts1/trunk/el/src/main/java/org/apache/strutsel/taglib/html/ELParamTagBeanInfo.java (with props)
Added: struts/struts1/trunk/el/src/main/java/org/apache/strutsel/taglib/html/ELParamTag.java
URL: http://svn.apache.org/viewvc/struts/struts1/trunk/el/src/main/java/org/apache/strutsel/taglib/html/ELParamTag.java?view=auto&rev=482911
==============================================================================
--- struts/struts1/trunk/el/src/main/java/org/apache/strutsel/taglib/html/ELParamTag.java (added)
+++ struts/struts1/trunk/el/src/main/java/org/apache/strutsel/taglib/html/ELParamTag.java Tue Dec 5 21:44:33 2006
@@ -0,0 +1,121 @@
+/*
+ * $Id$
+ *
+ * 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.strutsel.taglib.html;
+
+import org.apache.struts.taglib.html.ParamTag;
+import org.apache.strutsel.taglib.utils.EvalHelper;
+
+import javax.servlet.jsp.JspException;
+
+/**
+ * Adds a new request parameter to its parent {@link ELLinkTag}. This subclass
+ * allows all attribute values to be specified as expressions utilizing the
+ * JavaServer Pages Standard Library expression language.
+ *
+ * @version $Rev$ $Date$
+ * @since Struts 1.3.6
+ */
+public class ELParamTag extends ParamTag {
+
+ /**
+ * Instance variable mapped to "name" tag attribute. (Mapping set in
+ * associated BeanInfo class.)
+ */
+ private String nameExpr;
+
+ /**
+ * Instance variable mapped to "value" tag attribute. (Mapping set in
+ * associated BeanInfo class.)
+ */
+ private String valueExpr;
+
+ /**
+ * Getter method for "name" tag attribute. (Mapping set in associated
+ * BeanInfo class.)
+ */
+ public String getNameExpr() {
+ return (nameExpr);
+ }
+
+ /**
+ * Getter method for "value" tag attribute. (Mapping set in associated
+ * BeanInfo class.)
+ */
+ public String getValueExpr() {
+ return (valueExpr);
+ }
+
+ /**
+ * Setter method for "name" tag attribute. (Mapping set in associated
+ * BeanInfo class.)
+ */
+ public void setNameExpr(String nameExpr) {
+ this.nameExpr = nameExpr;
+ }
+
+ /**
+ * Setter method for "value" tag attribute. (Mapping set in associated
+ * BeanInfo class.)
+ */
+ public void setValueExpr(String valueExpr) {
+ this.valueExpr = valueExpr;
+ }
+
+ /**
+ * Resets attribute values for tag reuse.
+ */
+ public void release() {
+ super.release();
+ setNameExpr(null);
+ setValueExpr(null);
+ }
+
+ /**
+ * Process the start tag.
+ *
+ * @throws JspException if a JSP exception has occurred
+ */
+ public int doStartTag() throws JspException {
+ evaluateExpressions();
+
+ return (super.doStartTag());
+ }
+
+ /**
+ * Processes all attribute values which use the JSTL expression evaluation
+ * engine to determine their values.
+ *
+ * @throws JspException if a JSP exception has occurred
+ */
+ private void evaluateExpressions() throws JspException {
+ String string = null;
+
+ if ((string = EvalHelper.evalString("name", getNameExpr(), this,
+ pageContext)) != null) {
+ setName(string);
+ }
+
+ if ((string = EvalHelper.evalString("value", getValueExpr(), this,
+ pageContext)) != null) {
+ setValue(string);
+ }
+ }
+}
Propchange: struts/struts1/trunk/el/src/main/java/org/apache/strutsel/taglib/html/ELParamTag.java
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svn:eol-style = native
Propchange: struts/struts1/trunk/el/src/main/java/org/apache/strutsel/taglib/html/ELParamTag.java
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svn:keywords = Date Author Id Revision HeadURL
Added: struts/struts1/trunk/el/src/main/java/org/apache/strutsel/taglib/html/ELParamTagBeanInfo.java
URL: http://svn.apache.org/viewvc/struts/struts1/trunk/el/src/main/java/org/apache/strutsel/taglib/html/ELParamTagBeanInfo.java?view=auto&rev=482911
==============================================================================
--- struts/struts1/trunk/el/src/main/java/org/apache/strutsel/taglib/html/ELParamTagBeanInfo.java (added)
+++ struts/struts1/trunk/el/src/main/java/org/apache/strutsel/taglib/html/ELParamTagBeanInfo.java Tue Dec 5 21:44:33 2006
@@ -0,0 +1,58 @@
+/*
+ * $Id$
+ *
+ * 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.strutsel.taglib.html;
+
+import java.beans.IntrospectionException;
+import java.beans.PropertyDescriptor;
+import java.beans.SimpleBeanInfo;
+
+import java.util.ArrayList;
+
+/**
+ * This is the <code>BeanInfo</code> descriptor for the
+ * <code>org.apache.strutsel.taglib.html.ELParamTag</code> class. It is needed
+ * to override the default mapping of custom tag attribute names to class
+ * attribute names.
+ *
+ * @version $Rev$ $Date$
+ * @since Struts 1.3.6
+ */
+public class ELParamTagBeanInfo extends SimpleBeanInfo {
+ public PropertyDescriptor[] getPropertyDescriptors() {
+ ArrayList proplist = new ArrayList();
+
+ try {
+ proplist.add(new PropertyDescriptor("name", ELParamTag.class,
+ null, "setNameExpr"));
+ } catch (IntrospectionException ex) {
+ }
+
+ try {
+ proplist.add(new PropertyDescriptor("value", ELParamTag.class,
+ null, "setValueExpr"));
+ } catch (IntrospectionException ex) {
+ }
+
+ PropertyDescriptor[] result = new PropertyDescriptor[proplist.size()];
+
+ return ((PropertyDescriptor[]) proplist.toArray(result));
+ }
+}
Propchange: struts/struts1/trunk/el/src/main/java/org/apache/strutsel/taglib/html/ELParamTagBeanInfo.java
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Propchange: struts/struts1/trunk/el/src/main/java/org/apache/strutsel/taglib/html/ELParamTagBeanInfo.java
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svn:keywords = Date Author Id Revision HeadURL