| /* |
| * 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.pluto.tags; |
| |
| import javax.servlet.jsp.JspException; |
| import javax.servlet.jsp.tagext.TagSupport; |
| |
| |
| /** |
| * A tag handler for the <CODE>param</CODE> tag. Defines a parameter that |
| * can be added to a <CODE>actionURL</CODE>, a <CODE>resourceURL</CODE> or |
| * a <CODE>renderURL</CODE> |
| * <BR>The following attributes are mandatory: |
| * <UL> |
| * <LI><CODE>name</CODE> |
| * <LI><CODE>value</CODE> |
| * </UL> |
| * |
| * The parent tag handler must be a subclass of <code>BaseURLTag</code>. |
| * |
| * @version 2.0 |
| */ |
| public class ParamTag extends TagSupport { |
| |
| private static final long serialVersionUID = 286L; |
| |
| private String name = null; |
| private String value = null; |
| private String type = null; |
| |
| /* (non-Javadoc) |
| * @see javax.servlet.jsp.tagext.TagSupport#doStartTag() |
| */ |
| @Override |
| public int doStartTag() throws JspException { |
| BaseURLTag urlTag = (BaseURLTag) |
| findAncestorWithClass(this, BaseURLTag.class); |
| |
| if (urlTag == null) { |
| throw new JspException( |
| "the 'param' Tag must have a actionURL, renderURL " + |
| "or resourceURL tag as a parent"); |
| } |
| |
| // if it's an action URL, handle the type |
| |
| if (urlTag instanceof ActionURLTag362) { |
| boolean action = true; |
| if (type != null) { |
| if (type.equalsIgnoreCase("render")) { |
| action = false; |
| } else if (!type.equalsIgnoreCase("action")) { |
| throw new JspException("The 'param' tag on an action URL must have a value of 'action' or 'render'."); |
| } |
| } |
| |
| if (action) { |
| urlTag.addParameter(getName(), getValue()); |
| } else { |
| ((ActionURLTag362)urlTag).addRenderParameter(getName(), getValue()); |
| } |
| } else { |
| urlTag.addParameter(getName(), getValue()); |
| } |
| |
| return SKIP_BODY; |
| } |
| |
| /** |
| * Returns the name. |
| * @return String |
| */ |
| public String getName() { |
| return name; |
| } |
| |
| /** |
| * Returns the value. |
| * @return String |
| */ |
| public String getValue() throws JspException { |
| if (value == null) { |
| value = ""; |
| } |
| return value; |
| } |
| |
| /** |
| * Sets the name. |
| * @param name The name to set |
| */ |
| public void setName(String name) { |
| this.name = name; |
| } |
| |
| /** |
| * Sets the value. |
| * @param value The value to set |
| */ |
| public void setValue(String value) { |
| this.value = value; |
| } |
| |
| /** |
| * @return the type |
| */ |
| public String getType() { |
| return type; |
| } |
| |
| /** |
| * @param type the type to set |
| */ |
| public void setType(String type) { |
| this.type = type; |
| } |
| |
| } |