/*
* Copyright (c) 2003 The Visigoth Software Society. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowledgement:
* "This product includes software developed by the
* Visigoth Software Society (http://www.visigoths.org/)."
* Alternately, this acknowledgement may appear in the software itself,
* if and wherever such third-party acknowledgements normally appear.
*
* 4. Neither the name "FreeMarker", "Visigoth", nor any of the names of the
* project contributors may be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact visigoths@visigoths.org.
*
* 5. Products derived from this software may not be called "FreeMarker" or "Visigoth"
* nor may "FreeMarker" or "Visigoth" appear in their names
* without prior written permission of the Visigoth Software Society.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE VISIGOTH SOFTWARE SOCIETY OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Visigoth Software Society. For more
* information on the Visigoth Software Society, please see
* http://www.visigoths.org/
*/
package freemarker.core;
import java.io.IOException;
import freemarker.template.Template;
import freemarker.template.TemplateException;
/**
* An instruction that gets another template
* and processes it within the current template.
*/
public final class LibraryLoad extends TemplateElement {
private Expression templateName;
private String namespace;
private final String templatePath;
/**
* @param template the template that this <tt>Include</tt> is a part of.
* @param templateName the name of the template to be included.
* @param namespace the namespace to assign this library to
*/
LibraryLoad(Template template,
Expression templateName,
String namespace)
{
this.namespace = namespace;
String templatePath1 = template.getName();
int lastSlash = templatePath1.lastIndexOf('/');
templatePath = lastSlash == -1 ? "" : templatePath1.substring(0, lastSlash + 1);
this.templateName = templateName;
}
void accept(Environment env) throws TemplateException, IOException {
String templateNameString = templateName.getStringValue(env);
if( templateNameString == null ) {
String msg = "Error " + getStartLocation()
+ "The expression " + templateName + " is undefined.";
throw new InvalidReferenceException(msg, env);
}
Template importedTemplate;
try {
if(!env.isClassicCompatible()) {
if (templateNameString.indexOf("://") >0) {
;
}
else if(templateNameString.length() > 0 && templateNameString.charAt(0) == '/') {
int protIndex = templatePath.indexOf("://");
if (protIndex >0) {
templateNameString = templatePath.substring(0, protIndex + 2) + templateNameString;
} else {
templateNameString = templateNameString.substring(1);
}
}
else {
templateNameString = templatePath + templateNameString;
}
}
importedTemplate = env.getTemplateForImporting(templateNameString);
}
catch (ParseException pe) {
String msg = "Error parsing imported template "
+ templateNameString;
throw new TemplateException(msg, pe, env);
}
catch (IOException ioe) {
String msg = "Error reading imported file "
+ templateNameString;
throw new TemplateException(msg, ioe, env);
}
env.importLib(importedTemplate, namespace);
}
public String getCanonicalForm() {
StringBuffer buf = new StringBuffer("<#import ");
buf.append(templateName);
buf.append(" as ");
buf.append(namespace);
buf.append("/>");
return buf.toString();
}
public String getDescription() {
return "import " + templateName + " as " + namespace;
}
public String getTemplateName() {
return templateName.toString();
}
}