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* 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.ofbiz.webapp.taglib;
import java.io.IOException;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.tagext.TagSupport;
import org.ofbiz.base.util.Debug;
import org.ofbiz.base.util.UtilJ2eeCompat;
/**
* <p><b>Title:</b> PrintTag - Prints an attribute from the PageContext.
*/
@SuppressWarnings("serial")
public class PrintTag extends TagSupport {
public static final String module = PrintTag.class.getName();
private String attribute = null;
private String defaultStr = "";
public String getAttribute() {
return attribute;
}
public void setAttribute(String attribute) {
this.attribute = attribute;
}
public String getDefault() {
return defaultStr;
}
public void setDefault(String defaultStr) {
this.defaultStr = defaultStr;
}
@Override
public int doStartTag() throws JspException {
if (attribute == null)
return SKIP_BODY;
Object obj = pageContext.findAttribute(attribute);
if (obj == null)
obj = defaultStr;
try {
JspWriter out = pageContext.getOut();
out.print(obj.toString());
} catch (IOException e) {
if (UtilJ2eeCompat.useNestedJspException(pageContext.getServletContext())) {
throw new JspException(e.getMessage(), e);
} else {
Debug.logError(e, "Server does not support nested exceptions, here is the exception", module);
throw new JspException(e.toString());
}
}
return SKIP_BODY;
}
}