| /* |
| * 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 org.apache.myfaces.application; |
| |
| import jakarta.faces.application.ProjectStage; |
| import jakarta.faces.application.ResourceHandler; |
| import jakarta.faces.context.FacesContext; |
| import org.apache.myfaces.resource.ClassLoaderContractResourceLoader; |
| import org.apache.myfaces.resource.ExternalContextContractResourceLoader; |
| import org.apache.myfaces.resource.FacesFlowClassLoaderResourceLoader; |
| |
| import org.apache.myfaces.resource.InternalClassLoaderResourceLoader; |
| import org.apache.myfaces.resource.RootExternalContextResourceLoader; |
| import org.apache.myfaces.resource.TempDirFileCacheContractResourceLoader; |
| import org.apache.myfaces.resource.TempDirFileCacheResourceLoader; |
| import org.apache.myfaces.renderkit.html.util.ResourceUtils; |
| import org.apache.myfaces.resource.BaseResourceHandlerSupport; |
| import org.apache.myfaces.resource.ClassLoaderResourceLoader; |
| import org.apache.myfaces.resource.ContractResourceLoader; |
| import org.apache.myfaces.resource.ExternalContextResourceLoader; |
| import org.apache.myfaces.resource.ResourceLoader; |
| import org.apache.myfaces.util.WebConfigParamUtils; |
| |
| /** |
| * A ResourceHandlerSupport implementation for use with standard Java Servlet engines, |
| * ie an engine that supports jakarta.servlet, and uses a standard web.xml file. |
| * |
| * @author Leonardo Uribe (latest modification by $Author$) |
| * @version $Revision$ $Date$ |
| */ |
| public class DefaultResourceHandlerSupport extends BaseResourceHandlerSupport |
| { |
| |
| private static final String META_INF_RESOURCES = "META-INF/resources"; |
| private static final String RESOURCES = "resources"; |
| private static final String META_INF_INTERNAL_RESOURCES = "META-INF/internal-resources"; |
| private static final String META_INF_CONTRACTS = "META-INF/contracts"; |
| private static final String CONTRACTS = "contracts"; |
| |
| private ResourceLoader[] _resourceLoaders; |
| private ContractResourceLoader[] _contractResourceLoaders; |
| private ResourceLoader[] _viewResourceLoaders; |
| |
| public DefaultResourceHandlerSupport() |
| { |
| super(); |
| } |
| |
| @Override |
| public ResourceLoader[] getResourceLoaders() |
| { |
| if (_resourceLoaders == null) |
| { |
| FacesContext facesContext = FacesContext.getCurrentInstance(); |
| |
| String directory = WebConfigParamUtils.getStringInitParameter(facesContext.getExternalContext(), |
| ResourceHandler.WEBAPP_RESOURCES_DIRECTORY_PARAM_NAME, RESOURCES); |
| |
| if (TempDirFileCacheResourceLoader.isValidCreateTemporalFiles(facesContext)) |
| { |
| //The ExternalContextResourceLoader has precedence over |
| //ClassLoaderResourceLoader, so it goes first. |
| String renderedJSFJS = WebConfigParamUtils.getStringInitParameter(facesContext.getExternalContext(), |
| InternalClassLoaderResourceLoader.MYFACES_JSF_MODE, |
| ResourceUtils.JSF_MYFACES_JSFJS_NORMAL); |
| |
| if (facesContext.isProjectStage(ProjectStage.Development) || |
| !renderedJSFJS.equals(ResourceUtils.JSF_MYFACES_JSFJS_NORMAL)) |
| { |
| _resourceLoaders = new ResourceLoader[] { |
| new TempDirFileCacheResourceLoader(new ExternalContextResourceLoader('/' +directory)), |
| new TempDirFileCacheResourceLoader(new FacesFlowClassLoaderResourceLoader()), |
| new TempDirFileCacheResourceLoader( |
| new InternalClassLoaderResourceLoader(META_INF_INTERNAL_RESOURCES)), |
| new TempDirFileCacheResourceLoader(new ClassLoaderResourceLoader(META_INF_RESOURCES)) |
| }; |
| } |
| else |
| { |
| _resourceLoaders = new ResourceLoader[] { |
| new TempDirFileCacheResourceLoader(new ExternalContextResourceLoader('/' +directory)), |
| new TempDirFileCacheResourceLoader(new FacesFlowClassLoaderResourceLoader()), |
| new TempDirFileCacheResourceLoader(new ClassLoaderResourceLoader(META_INF_RESOURCES)) |
| }; |
| } |
| } |
| else |
| { |
| //The ExternalContextResourceLoader has precedence over |
| //ClassLoaderResourceLoader, so it goes first. |
| String renderedJSFJS = WebConfigParamUtils.getStringInitParameter(facesContext.getExternalContext(), |
| InternalClassLoaderResourceLoader.MYFACES_JSF_MODE, |
| ResourceUtils.JSF_MYFACES_JSFJS_NORMAL); |
| |
| if (facesContext.isProjectStage(ProjectStage.Development) || |
| !renderedJSFJS.equals(ResourceUtils.JSF_MYFACES_JSFJS_NORMAL)) |
| { |
| _resourceLoaders = new ResourceLoader[] { |
| new ExternalContextResourceLoader('/' +directory), |
| new FacesFlowClassLoaderResourceLoader(), |
| new InternalClassLoaderResourceLoader(META_INF_INTERNAL_RESOURCES), |
| new ClassLoaderResourceLoader(META_INF_RESOURCES) |
| }; |
| } |
| else |
| { |
| _resourceLoaders = new ResourceLoader[] { |
| new ExternalContextResourceLoader('/' +directory), |
| new FacesFlowClassLoaderResourceLoader(), |
| new ClassLoaderResourceLoader(META_INF_RESOURCES) |
| }; |
| } |
| } |
| } |
| return _resourceLoaders; |
| } |
| |
| @Override |
| public ContractResourceLoader[] getContractResourceLoaders() |
| { |
| if (_contractResourceLoaders == null) |
| { |
| FacesContext facesContext = FacesContext.getCurrentInstance(); |
| |
| String directory = WebConfigParamUtils.getStringInitParameter(facesContext.getExternalContext(), |
| ResourceHandler.WEBAPP_CONTRACTS_DIRECTORY_PARAM_NAME, CONTRACTS); |
| |
| if (directory.startsWith("/")) |
| { |
| throw new IllegalStateException(ResourceHandler.WEBAPP_CONTRACTS_DIRECTORY_PARAM_NAME |
| + " cannot start with '/"); |
| } |
| |
| if (TempDirFileCacheResourceLoader.isValidCreateTemporalFiles(facesContext)) |
| { |
| _contractResourceLoaders= new ContractResourceLoader[] { |
| new TempDirFileCacheContractResourceLoader( |
| new ExternalContextContractResourceLoader('/' +directory)), |
| new TempDirFileCacheContractResourceLoader( |
| new ClassLoaderContractResourceLoader(META_INF_CONTRACTS)) |
| }; |
| } |
| else |
| { |
| |
| _contractResourceLoaders= new ContractResourceLoader[] { |
| new ExternalContextContractResourceLoader('/' +directory), |
| new ClassLoaderContractResourceLoader(META_INF_CONTRACTS) |
| }; |
| } |
| } |
| return _contractResourceLoaders; |
| } |
| |
| @Override |
| public ResourceLoader[] getViewResourceLoaders() |
| { |
| if (_viewResourceLoaders == null) |
| { |
| FacesContext facesContext = FacesContext.getCurrentInstance(); |
| if (TempDirFileCacheResourceLoader.isValidCreateTemporalFiles(facesContext)) |
| { |
| _viewResourceLoaders = new ResourceLoader[] { |
| new RootExternalContextResourceLoader(), |
| new TempDirFileCacheResourceLoader(new FacesFlowClassLoaderResourceLoader()) |
| }; |
| } |
| else |
| { |
| _viewResourceLoaders = new ResourceLoader[] { |
| new RootExternalContextResourceLoader(), |
| new FacesFlowClassLoaderResourceLoader() |
| }; |
| } |
| } |
| return _viewResourceLoaders; |
| } |
| |
| } |