| /* |
| * 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 freemarker.core; |
| |
| import java.io.IOException; |
| |
| import freemarker.template.MalformedTemplateNameException; |
| import freemarker.template.Template; |
| import freemarker.template.TemplateException; |
| |
| /** |
| * <b>Internal API - subject to change:</b> Represents an import via {@code #import}. |
| * |
| * @deprecated This is an internal FreeMarker API with no backward compatibility guarantees, so you shouldn't depend on |
| * it. |
| */ |
| @Deprecated |
| public final class LibraryLoad extends TemplateElement { |
| |
| private Expression importedTemplateNameExp; |
| private String namespace; |
| |
| /** |
| * @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; |
| this.importedTemplateNameExp = templateName; |
| } |
| |
| @Override |
| TemplateElement[] accept(Environment env) throws TemplateException, IOException { |
| final String importedTemplateName = importedTemplateNameExp.evalAndCoerceToPlainText(env); |
| final String fullImportedTemplateName; |
| try { |
| fullImportedTemplateName = env.toFullTemplateName(getTemplate().getName(), importedTemplateName); |
| } catch (MalformedTemplateNameException e) { |
| throw new _MiscTemplateException(e, env, |
| "Malformed template name ", new _DelayedJQuote(e.getTemplateName()), ":\n", |
| e.getMalformednessDescription()); |
| } |
| |
| final Template importedTemplate; |
| try { |
| importedTemplate = env.getTemplateForImporting(fullImportedTemplateName); |
| } catch (IOException e) { |
| throw new _MiscTemplateException(e, env, |
| "Template importing failed (for parameter value ", |
| new _DelayedJQuote(importedTemplateName), |
| "):\n", new _DelayedGetMessage(e)); |
| } |
| env.importLib(importedTemplate, namespace); |
| return null; |
| } |
| |
| @Override |
| protected String dump(boolean canonical) { |
| StringBuilder buf = new StringBuilder(); |
| if (canonical) buf.append('<'); |
| buf.append(getNodeTypeSymbol()); |
| buf.append(' '); |
| buf.append(importedTemplateNameExp.getCanonicalForm()); |
| buf.append(" as "); |
| buf.append(_CoreStringUtils.toFTLTopLevelTragetIdentifier(namespace)); |
| if (canonical) buf.append("/>"); |
| return buf.toString(); |
| } |
| |
| @Override |
| String getNodeTypeSymbol() { |
| return "#import"; |
| } |
| |
| @Override |
| int getParameterCount() { |
| return 2; |
| } |
| |
| @Override |
| Object getParameterValue(int idx) { |
| switch (idx) { |
| case 0: return importedTemplateNameExp; |
| case 1: return namespace; |
| default: throw new IndexOutOfBoundsException(); |
| } |
| } |
| |
| @Override |
| ParameterRole getParameterRole(int idx) { |
| switch (idx) { |
| case 0: return ParameterRole.TEMPLATE_NAME; |
| case 1: return ParameterRole.NAMESPACE; |
| default: throw new IndexOutOfBoundsException(); |
| } |
| } |
| |
| public String getTemplateName() { |
| return importedTemplateNameExp.toString(); |
| } |
| |
| @Override |
| boolean isNestedBlockRepeater() { |
| return false; |
| } |
| |
| @Override |
| boolean isShownInStackTrace() { |
| return true; |
| } |
| |
| } |