| /* |
| * Copyright 2002,2004 The Apache Software Foundation. |
| * |
| * Licensed 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.commons.jelly.tags.core; |
| |
| import java.io.File; |
| |
| import org.apache.commons.jelly.JellyException; |
| import org.apache.commons.jelly.JellyTagException; |
| import org.apache.commons.jelly.MissingAttributeException; |
| import org.apache.commons.jelly.TagSupport; |
| import org.apache.commons.jelly.XMLOutput; |
| |
| /** A tag which conditionally evaluates its body based on some condition |
| * |
| * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> |
| * @version $Revision: 1.16 $ |
| */ |
| |
| public class IncludeTag extends TagSupport { |
| |
| private String uri; |
| private File file; |
| |
| private boolean shouldExport; |
| private boolean shouldInherit; |
| |
| public IncludeTag() { |
| this.shouldExport = false; |
| this.shouldInherit = true; |
| } |
| |
| public void setInherit(String inherit) { |
| if ("true".equals(inherit)) { |
| this.shouldInherit = true; |
| } else { |
| this.shouldInherit = false; |
| } |
| } |
| |
| public void setExport(String export) { |
| if ("true".equals(export)) { |
| this.shouldExport = true; |
| } else { |
| this.shouldExport = false; |
| } |
| } |
| |
| public boolean isInherit() { |
| return this.shouldInherit; |
| } |
| |
| public boolean isExport() { |
| return this.shouldExport; |
| } |
| |
| /** |
| * @return |
| */ |
| public File getFile() { |
| return file; |
| } |
| |
| /** |
| * Sets the file to be included which is either an absolute file or a file |
| * relative to the current directory |
| */ |
| public void setFile(File file) { |
| this.file = file; |
| } |
| |
| |
| // Tag interface |
| //------------------------------------------------------------------------- |
| public void doTag(XMLOutput output) |
| throws MissingAttributeException, JellyTagException { |
| |
| if (uri == null && file == null) { |
| throw new MissingAttributeException("uri"); |
| } |
| |
| // we need to create a new JellyContext of the URI |
| // take off the script name from the URL |
| String text = null; |
| try { |
| if (uri != null) { |
| text = uri; |
| context.runScript(uri, output, isExport(), isInherit()); |
| } |
| else { |
| text = file.toString(); |
| context.runScript(file, output, isExport(), isInherit()); |
| } |
| } |
| catch (JellyException e) { |
| throw new JellyTagException("could not include jelly script: " + text + ". Reason: " + e, e); |
| } |
| } |
| |
| // Properties |
| //------------------------------------------------------------------------- |
| /** Sets the URI (relative URI or absolute URL) for the script to evaluate. */ |
| public void setUri(String uri) { |
| this.uri = uri; |
| } |
| } |