/*
* $Id: StrutsBodyTagSupport.java 726715 2008-12-15 15:39:15Z musachy $
*
* 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.struts2.views.jsp;
import java.io.PrintWriter;
import javax.servlet.jsp.tagext.BodyTagSupport;
import org.apache.struts2.components.Component;
import org.apache.struts2.util.FastByteArrayOutputStream;
import com.opensymphony.xwork2.util.TextParseUtil;
import com.opensymphony.xwork2.util.ValueStack;
/**
* Contains common functonalities for Struts JSP Tags.
*
*/
public class StrutsBodyTagSupport extends BodyTagSupport {
private static final long serialVersionUID = -1201668454354226175L;
protected ValueStack getStack() {
return TagUtils.getStack(pageContext);
}
protected String findString(String expr) {
return (String) findValue(expr, String.class);
}
protected Object findValue(String expr) {
expr = Component.stripExpressionIfAltSyntax(getStack(), expr);
return getStack().findValue(expr);
}
protected Object findValue(String expr, Class toType) {
if (Component.altSyntax(getStack()) && toType == String.class) {
return TextParseUtil.translateVariables('%', expr, getStack());
//return translateVariables(expr, getStack());
} else {
expr = Component.stripExpressionIfAltSyntax(getStack(), expr);
return getStack().findValue(expr, toType);
}
}
protected String toString(Throwable t) {
FastByteArrayOutputStream bout = new FastByteArrayOutputStream();
PrintWriter wrt = new PrintWriter(bout);
t.printStackTrace(wrt);
wrt.close();
return bout.toString();
}
protected String getBody() {
if (bodyContent == null) {
return "";
} else {
return bodyContent.getString().trim();
}
}
}
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