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el-ognl example first commit
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‎pom.xml‎

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<module>tiles-ognl</module>
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<module>tiles-compat</module>
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<module>tiles-extras</module>
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<module>tiles-examples</module>
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<module>assembly</module>
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<module>tiles-test-pom</module>
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</modules>

‎tiles-examples/pom.xml‎

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<?xml version="1.0"?>
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<!--
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/*
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* $Id$
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*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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-->
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
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<parent>
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<groupId>org.apache.tiles</groupId>
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<artifactId>tiles-parent</artifactId>
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<version>3.0.7-SNAPSHOT</version>
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</parent>
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<modelVersion>4.0.0</modelVersion>
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<artifactId>tiles-examples</artifactId>
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<packaging>pom</packaging>
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<name>Tiles - Examples</name>
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<description>Extras for Tiles, including non-standard, non-generic, non-identifiable components that may be useful for Tiles users.
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</description>
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<modules>
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<module>tiles-elognl</module>
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</modules>
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<build>
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</build>
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</project>

‎tiles-examples/tiles-elognl/pom.xml‎

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<?xml version="1.0"?>
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<!--
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/*
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* $Id$
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*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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-->
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
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<parent>
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<groupId>org.apache.tiles</groupId>
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<artifactId>tiles-examples</artifactId>
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<version>3.0.7-SNAPSHOT</version>
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</parent>
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<modelVersion>4.0.0</modelVersion>
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<artifactId>tiles-elognl</artifactId>
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<packaging>jar</packaging>
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<name>Tiles - EL OGNL Freemarker support</name>
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<description>Extras for Tiles, including non-standard, non-generic, non-identifiable components that may be useful for Tiles users.
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</description>
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<properties>
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<tiles.osgi.symbolicName>org.apache.tiles.extras</tiles.osgi.symbolicName>
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</properties>
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<build>
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<resources>
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<resource>
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<directory>src/main/resources</directory>
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<excludes>
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<exclude>LICENSE.txt</exclude>
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<exclude>NOTICE.txt</exclude>
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</excludes>
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</resource>
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<resource>
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<directory>src/main/resources</directory>
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<includes>
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<include>LICENSE.txt</include>
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<include>NOTICE.txt</include>
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</includes>
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<targetPath>META-INF</targetPath>
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</resource>
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</resources>
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</build>
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<dependencies>
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<dependency>
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<groupId>org.apache.tiles</groupId>
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<artifactId>tiles-core</artifactId>
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</dependency>
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<dependency>
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<groupId>org.apache.tiles</groupId>
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<artifactId>tiles-freemarker</artifactId>
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<version>${project.version}</version>
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</dependency>
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<dependency>
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<groupId>org.apache.tiles</groupId>
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<artifactId>tiles-el</artifactId>
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<version>${project.version}</version>
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</dependency>
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<dependency>
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<groupId>org.apache.tiles</groupId>
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<artifactId>tiles-ognl</artifactId>
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<version>${project.version}</version>
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</dependency>
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<dependency>
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<groupId>javax.servlet</groupId>
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<artifactId>servlet-api</artifactId>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<groupId>javax.servlet.jsp</groupId>
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<artifactId>jsp-api</artifactId>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<groupId>org.slf4j</groupId>
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<artifactId>slf4j-api</artifactId>
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</dependency>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.easymock</groupId>
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<artifactId>easymock</artifactId>
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<scope>test</scope>
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</dependency>
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</dependencies>
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</project>

‎tiles-examples/tiles-elognl/src/main/java/org/apache/tiles/elognl/ElOgnlTilesContainerFactory.java‎

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package org.apache.tiles.elognl;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.List;
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import java.util.Locale;
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import javax.el.ArrayELResolver;
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import javax.el.BeanELResolver;
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import javax.el.CompositeELResolver;
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import javax.el.ELResolver;
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import javax.el.ListELResolver;
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import javax.el.MapELResolver;
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import javax.el.ResourceBundleELResolver;
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import org.apache.tiles.TilesContainer;
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import org.apache.tiles.el.ELAttributeEvaluator;
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import org.apache.tiles.el.JspExpressionFactoryFactory;
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import org.apache.tiles.el.ScopeELResolver;
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import org.apache.tiles.el.TilesContextBeanELResolver;
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import org.apache.tiles.el.TilesContextELResolver;
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import org.apache.tiles.evaluator.AttributeEvaluatorFactory;
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import org.apache.tiles.evaluator.BasicAttributeEvaluatorFactory;
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import org.apache.tiles.factory.BasicTilesContainerFactory;
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import org.apache.tiles.factory.TilesContainerFactoryException;
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import org.apache.tiles.freemarker.TilesSharedVariableFactory;
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import org.apache.tiles.locale.LocaleResolver;
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import org.apache.tiles.ognl.AnyScopePropertyAccessor;
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import org.apache.tiles.ognl.DelegatePropertyAccessor;
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import org.apache.tiles.ognl.NestedObjectDelegatePropertyAccessor;
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import org.apache.tiles.ognl.OGNLAttributeEvaluator;
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import org.apache.tiles.ognl.PropertyAccessorDelegateFactory;
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import org.apache.tiles.ognl.ScopePropertyAccessor;
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import org.apache.tiles.ognl.TilesApplicationContextNestedObjectExtractor;
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import org.apache.tiles.ognl.TilesContextPropertyAccessorDelegateFactory;
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import org.apache.tiles.request.ApplicationContext;
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import org.apache.tiles.request.ApplicationResource;
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import org.apache.tiles.request.Request;
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import org.apache.tiles.request.freemarker.render.FreemarkerRenderer;
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import org.apache.tiles.request.freemarker.render.FreemarkerRendererBuilder;
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import org.apache.tiles.request.freemarker.servlet.SharedVariableLoaderFreemarkerServlet;
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import org.apache.tiles.request.render.BasicRendererFactory;
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import org.apache.tiles.request.render.ChainedDelegateRenderer;
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import org.apache.tiles.request.render.Renderer;
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import ognl.OgnlException;
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import ognl.OgnlRuntime;
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import ognl.PropertyAccessor;
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public class ElOgnlTilesContainerFactory extends BasicTilesContainerFactory {
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/**
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* The freemarker renderer name.
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*/
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private static final String FREEMARKER_RENDERER_NAME = "freemarker";
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/** {@inheritDoc} */
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@Override
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protected List<ApplicationResource> getSources(ApplicationContext applicationContext) {
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Collection<ApplicationResource> webINFSet = applicationContext.getResources("/WEB-INF/tiles.xml");
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//applicationContext.getResources("/WEB-INF/**/tiles*.xml");
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List<ApplicationResource> filteredResources = new ArrayList<ApplicationResource>();
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if (webINFSet != null) {
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for (ApplicationResource resource : webINFSet) {
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if (Locale.ROOT.equals(resource.getLocale())) {
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filteredResources.add(resource);
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}
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}
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}
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return filteredResources;
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}
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/**
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* Creates the EL evaluator.
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*
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* @param applicationContext The Tiles application context.
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* @return The EL evaluator.
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*/
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private ELAttributeEvaluator createELEvaluator(ApplicationContext applicationContext) {
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ELAttributeEvaluator evaluator = new ELAttributeEvaluator();
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JspExpressionFactoryFactory efFactory = new JspExpressionFactoryFactory();
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efFactory.setApplicationContext(applicationContext);
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evaluator.setExpressionFactory(efFactory.getExpressionFactory());
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ELResolver elResolver = new CompositeELResolver() {
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{
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BeanELResolver beanElResolver = new BeanELResolver(false);
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add(new ScopeELResolver());
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add(new TilesContextELResolver(beanElResolver));
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add(new TilesContextBeanELResolver());
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add(new ArrayELResolver(false));
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add(new ListELResolver(false));
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add(new MapELResolver(false));
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add(new ResourceBundleELResolver());
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add(beanElResolver);
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}
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};
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evaluator.setResolver(elResolver);
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return evaluator;
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}
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/**
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* Creates the OGNL evaluator.
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*
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* @return The OGNL evaluator.
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*/
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private OGNLAttributeEvaluator createOGNLEvaluator() {
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try {
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PropertyAccessor objectPropertyAccessor = OgnlRuntime.getPropertyAccessor(Object.class);
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PropertyAccessor applicationContextPropertyAccessor = new NestedObjectDelegatePropertyAccessor<Request>(
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new TilesApplicationContextNestedObjectExtractor(), objectPropertyAccessor);
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PropertyAccessor anyScopePropertyAccessor = new AnyScopePropertyAccessor();
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PropertyAccessor scopePropertyAccessor = new ScopePropertyAccessor();
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PropertyAccessorDelegateFactory<Request> factory = new TilesContextPropertyAccessorDelegateFactory(
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objectPropertyAccessor, applicationContextPropertyAccessor, anyScopePropertyAccessor,
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scopePropertyAccessor);
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PropertyAccessor tilesRequestAccessor = new DelegatePropertyAccessor<Request>(factory);
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OgnlRuntime.setPropertyAccessor(Request.class, tilesRequestAccessor);
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return new OGNLAttributeEvaluator();
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} catch (OgnlException e) {
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throw new TilesContainerFactoryException("Cannot initialize OGNL evaluator", e);
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}
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}
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/** {@inheritDoc} */
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@Override
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protected void registerAttributeRenderers(
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BasicRendererFactory rendererFactory,
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ApplicationContext applicationContext,
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TilesContainer container,
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AttributeEvaluatorFactory attributeEvaluatorFactory) {
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super.registerAttributeRenderers(rendererFactory, applicationContext, container, attributeEvaluatorFactory);
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FreemarkerRenderer freemarkerRenderer = FreemarkerRendererBuilder
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.createInstance()
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.setApplicationContext(applicationContext)
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.setParameter("TemplatePath", "/")
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.setParameter("NoCache", "true")
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.setParameter("ContentType", "text/html")
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.setParameter("template_update_delay", "0")
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.setParameter("default_encoding", "ISO-8859-1")
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.setParameter("number_format", "0.##########")
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.setParameter(SharedVariableLoaderFreemarkerServlet.CUSTOM_SHARED_VARIABLE_FACTORIES_INIT_PARAM,
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"tiles," + TilesSharedVariableFactory.class.getName()).build();
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rendererFactory.registerRenderer(FREEMARKER_RENDERER_NAME, freemarkerRenderer);
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}
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/** {@inheritDoc} */
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@Override
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protected Renderer createDefaultAttributeRenderer(BasicRendererFactory rendererFactory,
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ApplicationContext applicationContext, TilesContainer container,
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AttributeEvaluatorFactory attributeEvaluatorFactory) {
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ChainedDelegateRenderer retValue = new ChainedDelegateRenderer();
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retValue.addAttributeRenderer(rendererFactory.getRenderer(DEFINITION_RENDERER_NAME));
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retValue.addAttributeRenderer(rendererFactory.getRenderer(FREEMARKER_RENDERER_NAME));
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retValue.addAttributeRenderer(rendererFactory.getRenderer(TEMPLATE_RENDERER_NAME));
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retValue.addAttributeRenderer(rendererFactory.getRenderer(STRING_RENDERER_NAME));
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return retValue;
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}
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/** {@inheritDoc} */
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@Override
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protected AttributeEvaluatorFactory createAttributeEvaluatorFactory(ApplicationContext applicationContext,
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LocaleResolver resolver) {
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BasicAttributeEvaluatorFactory attributeEvaluatorFactory = new BasicAttributeEvaluatorFactory(
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createELEvaluator(applicationContext));
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attributeEvaluatorFactory.registerAttributeEvaluator("OGNL", createOGNLEvaluator());
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return attributeEvaluatorFactory;
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}
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}

‎tiles-examples/tiles-elognl/src/main/java/org/apache/tiles/elognl/ElOgnlTilesInitializer.java‎

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package org.apache.tiles.elognl;
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import javax.servlet.ServletContext;
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import org.apache.tiles.startup.AbstractTilesInitializer;
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import org.apache.tiles.factory.AbstractTilesContainerFactory;
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import org.apache.tiles.request.ApplicationContext;
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import org.apache.tiles.request.servlet.ServletApplicationContext;
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public class ElOgnlTilesInitializer extends AbstractTilesInitializer {
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/** {@inheritDoc} */
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@Override
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protected ApplicationContext createTilesApplicationContext(
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ApplicationContext preliminaryContext) {
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return new ServletApplicationContext(
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(ServletContext) preliminaryContext.getContext());
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}
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/** {@inheritDoc} */
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@Override
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protected AbstractTilesContainerFactory createContainerFactory(
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ApplicationContext context) {
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return new ElOgnlTilesContainerFactory();
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}
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}

‎tiles-examples/tiles-elognl/src/main/java/org/apache/tiles/elognl/ElOgnlTilesListener.java‎

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package org.apache.tiles.elognl;
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import org.apache.tiles.startup.TilesInitializer;
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import org.apache.tiles.web.startup.AbstractTilesListener;
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public class ElOgnlTilesListener extends AbstractTilesListener {
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/** {@inheritDoc} */
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@Override
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protected TilesInitializer createTilesInitializer() {
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return new ElOgnlTilesInitializer();
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}
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}

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