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SWF-1378 Create FlowResourceResolver for JSF 1.2 and 2.0 environments

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This commit is contained in:
Rossen Stoyanchev
2010-08-25 15:13:43 +00:00
parent 53be587189
commit 2fa0c6b930
3 changed files with 88 additions and 3 deletions
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1
spring-faces/.classpath
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@@ -29,5 +29,6 @@
<classpathentry kind="var" path="IVY_CACHE/org.springframework/org.springframework.test/3.0.3.RELEASE/org.springframework.test-3.0.3.RELEASE.jar" sourcepath="IVY_CACHE/org.springframework/org.springframework.test/3.0.3.RELEASE/org.springframework.test-sources-3.0.3.RELEASE.jar"/>
<classpathentry kind="var" path="IVY_CACHE/org.springframework/org.springframework.web/3.0.3.RELEASE/org.springframework.web-3.0.3.RELEASE.jar" sourcepath="IVY_CACHE/org.springframework/org.springframework.web/3.0.3.RELEASE/org.springframework.web-sources-3.0.3.RELEASE.jar"/>
<classpathentry kind="var" path="IVY_CACHE/org.springframework/org.springframework.web.servlet/3.0.3.RELEASE/org.springframework.web.servlet-3.0.3.RELEASE.jar" sourcepath="IVY_CACHE/org.springframework/org.springframework.web.servlet/3.0.3.RELEASE/org.springframework.web.servlet-sources-3.0.3.RELEASE.jar"/>
<classpathentry kind="var" path="IVY_CACHE/com.sun.facelets/com.springsource.com.sun.facelets/1.1.14/com.springsource.com.sun.facelets-1.1.14.jar" sourcepath="/IVY_CACHE/com.sun.facelets/com.springsource.com.sun.facelets/1.1.14/com.springsource.com.sun.facelets-sources-1.1.14.jar"/>
<classpathentry kind="output" path="target/classes"/>
</classpath>

19
spring-faces/src/main/java/org/springframework/faces/webflow/FlowResourceResolver.java
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@@ -19,16 +19,29 @@ import java.io.IOException;
import java.net.URL;
import javax.faces.FacesException;
import javax.faces.view.facelets.ResourceResolver;
import org.springframework.context.ApplicationContext;
import org.springframework.core.io.Resource;
import org.springframework.webflow.execution.RequestContext;
import org.springframework.webflow.execution.RequestContextHolder;
import com.sun.faces.facelets.impl.DefaultResourceResolver;
import com.sun.facelets.impl.DefaultResourceResolver;
import com.sun.facelets.impl.ResourceResolver;
public class FlowResourceResolver extends ResourceResolver {
/**
* Resolves Facelets templates using Spring Resource paths such as "classpath:foo.xhtml". Configure it via a context
* parameter in web.xml:
*
* <pre>
* &lt;context-param/&gt;
* &lt;param-name&gt;facelets.RESOURCE_RESOLVER&lt;/param-name&gt;
* &lt;param-value&gt;org.springframework.faces.webflow.FlowResourceResolver&lt;/param-value&gt;
* &lt;/context-param&gt;
* </pre>
*
* @see Jsf2FlowResourceResolver
*/
public class FlowResourceResolver implements ResourceResolver {
ResourceResolver delegateResolver = new DefaultResourceResolver();

71
spring-faces/src/main/java/org/springframework/faces/webflow/Jsf2FlowResourceResolver.java Normal file
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@@ -0,0 +1,71 @@
/*
* Copyright 2004-2010 the original author or authors.
*
* Licensed 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.springframework.faces.webflow;
import java.io.IOException;
import java.net.URL;
import javax.faces.FacesException;
import javax.faces.view.facelets.ResourceResolver;
import org.springframework.context.ApplicationContext;
import org.springframework.core.io.Resource;
import org.springframework.webflow.execution.RequestContext;
import org.springframework.webflow.execution.RequestContextHolder;
import com.sun.faces.facelets.impl.DefaultResourceResolver;
/**
* Resolves Facelets templates using Spring Resource paths such as "classpath:foo.xhtml". Configure it via a context
* parameter in web.xml:
*
* <pre>
* &lt;context-param/&gt;
* &lt;param-name&gt;facelets.RESOURCE_RESOLVER&lt;/param-name&gt;
* &lt;param-value&gt;org.springframework.faces.webflow.FlowResourceResolver&lt;/param-value&gt;
* &lt;/context-param&gt;
* </pre>
*/
public class Jsf2FlowResourceResolver extends ResourceResolver {
ResourceResolver delegateResolver = new DefaultResourceResolver();
public URL resolveUrl(String path) {
if (!JsfUtils.isFlowRequest()) {
return delegateResolver.resolveUrl(path);
}
try {
RequestContext context = RequestContextHolder.getRequestContext();
ApplicationContext flowContext = context.getActiveFlow().getApplicationContext();
if (flowContext == null) {
throw new IllegalStateException("A Flow ApplicationContext is required to resolve Flow View Resources");
}
ApplicationContext appContext = flowContext.getParent();
Resource viewResource = appContext.getResource(path);
if (viewResource.exists()) {
return viewResource.getURL();
} else {
return delegateResolver.resolveUrl(path);
}
} catch (IOException ex) {
throw new FacesException(ex);
}
}
}