| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. 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.jackrabbit.taglib; |
| |
| import javax.jcr.Item; |
| import javax.jcr.Node; |
| import javax.jcr.RepositoryException; |
| import javax.jcr.Session; |
| import javax.servlet.jsp.JspException; |
| import javax.servlet.jsp.PageContext; |
| import javax.servlet.jsp.tagext.TagSupport; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.jackrabbit.taglib.utils.JCRTagConstants; |
| import org.apache.jackrabbit.taglib.utils.JCRTagUtils; |
| import org.apache.taglibs.standard.tag.common.core.Util; |
| |
| /** |
| * Stores the given node or property in a scoped variable. |
| * |
| * @author <a href="mailto:edgarpoce@gmail.com">Edgar Poce </a> |
| */ |
| public class SetTag extends TagSupport |
| { |
| /** logger */ |
| private static Log log = LogFactory.getLog(SetTag.class); |
| |
| /** Tag Name */ |
| public static String TAG_NAME = "set"; |
| |
| /** |
| * Name of the scoped variable where the jcr session will be stored. If not set |
| * then JCRTagConstants.KEY_SESSION is used. |
| */ |
| protected String session; |
| |
| /** |
| * Item |
| */ |
| protected String item; |
| |
| /** |
| * Property |
| */ |
| private String property; |
| |
| /** |
| * Scoped variable where the jcr Item will be stored |
| */ |
| protected String var; |
| |
| /** |
| * Scope |
| */ |
| protected int scope; |
| |
| /** |
| * Constructor |
| */ |
| public SetTag() |
| { |
| super(); |
| this.init(); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| public int doEndTag() throws JspException |
| { |
| return EVAL_PAGE; |
| } |
| |
| /** |
| * Sets the item |
| * |
| * @param item |
| */ |
| public void setItem(String item) |
| { |
| this.item = item; |
| } |
| |
| /** |
| * Sets the session |
| * |
| * @param session |
| */ |
| public void setSession(String session) |
| { |
| this.session = session; |
| } |
| |
| /** |
| * init |
| */ |
| private void init() |
| { |
| this.session = "${" + JCRTagConstants.KEY_SESSION + "}"; |
| this.item = null; |
| this.scope = PageContext.PAGE_SCOPE; |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| public void release() |
| { |
| super.release(); |
| this.init(); |
| } |
| |
| /** |
| * Sets the variable name where the Item will be stored. |
| * |
| * @param var |
| */ |
| public void setVar(String var) |
| { |
| this.var = var; |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| public int doStartTag() throws JspException |
| { |
| try |
| { |
| Item i = this.getItem(); |
| // If the property is set |
| if (this.property != null) |
| { |
| Node n = (Node) i; |
| i = n.getProperty(this.property); |
| } |
| this.pageContext.setAttribute(this.var, i, this.scope); |
| } catch (RepositoryException e) |
| { |
| String msg = JCRTagUtils.getMessage(e); |
| log.error(msg, e); |
| throw new JspException(msg, e); |
| } |
| return SKIP_BODY; |
| } |
| |
| /** |
| * Gets the item |
| * |
| * @return @throws |
| * JspException |
| * @throws RepositoryException |
| */ |
| protected Item getItem() throws JspException, RepositoryException |
| { |
| // Get a session |
| Session session = JCRTagUtils.getSession(TAG_NAME, this.session, this, |
| this.pageContext); |
| |
| // Get the item |
| Item item = JCRTagUtils.getItem(TAG_NAME, this.item, this, |
| this.pageContext, session); |
| |
| return item; |
| } |
| |
| /** |
| * Sets the property. This can be set only when the item is a node. |
| * |
| * @param property |
| */ |
| public void setProperty(String property) |
| { |
| this.property = property; |
| } |
| |
| /** |
| * Sets the scope |
| * |
| * @param scope |
| */ |
| public void setScope(String scope) |
| { |
| this.scope = Util.getScope(scope); |
| } |
| } |