/*
* JBoss, Home of Professional Open Source
* Copyright 2009, Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.richfaces.cdk.templatecompiler.statements;
import java.util.EnumSet;
import java.util.List;
import java.util.Set;
import org.richfaces.cdk.generate.freemarker.FreeMarkerRenderer;
import org.richfaces.cdk.templatecompiler.builder.model.JavaField;
import org.richfaces.cdk.templatecompiler.builder.model.JavaImport;
import org.richfaces.cdk.templatecompiler.builder.model.JavaImportImpl;
import org.richfaces.cdk.templatecompiler.builder.model.JavaModifier;
import org.richfaces.cdk.templatecompiler.el.types.ReferencedType;
import org.richfaces.cdk.util.Strings;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import com.google.common.collect.Sets;
/**
* @author Nick Belaevski
*
*/
public class FreeMarkerTemplateStatementBase extends StatementsContainer {
protected StatementsContainer parent;
private String templateName;
private final FreeMarkerRenderer renderer;
private final Set<JavaImport> imports = Sets.newTreeSet(JavaImport.COMPARATOR);
private final EnumSet<HelperMethod> requiredMethods = EnumSet.noneOf(HelperMethod.class);
private final List<JavaField> fields = Lists.newArrayList();
private boolean parsed = false;
private String code;
protected FreeMarkerTemplateStatementBase(FreeMarkerRenderer renderer, String templateName) {
super();
this.renderer = renderer;
this.templateName = templateName + ".ftl";
}
@Override
public String getCode() {
parse();
return code;
}
private void parse() {
if (!parsed) {
code = renderer.renderTemplate(templateName, this);
parsed = true;
}
}
/**
* <p class="changed_added_4_0">
* Some templates use modelItem variable
* </p>
*
* @return
*/
public Object getModelItem() {
return this;
}
@Override
public Iterable<JavaImport> getRequiredImports() {
parse();
return Iterables.concat(super.getRequiredImports(), imports);
}
@Override
public Iterable<JavaField> getRequiredFields() {
parse();
return Iterables.concat(super.getRequiredFields(), fields);
}
@Override
public Iterable<HelperMethod> getRequiredMethods() {
parse();
return Iterables.concat(super.getRequiredMethods(), requiredMethods);
}
protected void addRequiredMethods(HelperMethod... methods) {
for (HelperMethod helperMethod : methods) {
requiredMethods.add(helperMethod);
}
}
protected void addRequiredMethods(Iterable<HelperMethod> methods) {
for (HelperMethod helperMethod : methods) {
requiredMethods.add(helperMethod);
}
}
public void setTemplateName(String templateName) {
this.templateName = templateName + ".ftl";
}
public void addConstant(String type, String name, String code) {
JavaField field = new JavaField(new ReferencedType(type), name);
field.addModifier(JavaModifier.PRIVATE);
field.addModifier(JavaModifier.STATIC);
field.addModifier(JavaModifier.FINAL);
if (!Strings.isEmpty(code)) {
field.setValue(new TemplateStatementImpl(code));
}
fields.add(field);
}
public void addImport(String name) {
imports.add(new JavaImportImpl(name));
}
protected void addImports(Iterable<JavaImport> requiredImports) {
Iterables.addAll(imports, requiredImports);
}
public void addRequiredMethod(String helperMethodName) {
HelperMethod helperMethod = HelperMethod.valueOf(helperMethodName);
requiredMethods.add(helperMethod);
}
}