Revision: 1331
Author: ge0ffrey
Date: 2006-08-22 02:44:35 -0700 (Tue, 22 Aug 2006)
ViewCVS: http://svn.sourceforge.net/spring-rich-c/?rev=1331&view=rev
Log Message:
-----------
JnlpPropertyPlaceholderConfigurer
Modified Paths:
--------------
trunk/spring-richclient/pom.xml
trunk/spring-richclient/tiger/pom.xml
Added Paths:
-----------
trunk/spring-richclient/tiger/src/main/java/org/springframework/richclient/jnlp/
trunk/spring-richclient/tiger/src/main/java/org/springframework/richclient/jnlp/JnlpPropertyPlaceholderConfigurer.java
Modified: trunk/spring-richclient/pom.xml
===================================================================
--- trunk/spring-richclient/pom.xml 2006-08-22 07:15:22 UTC (rev 1330)
+++ trunk/spring-richclient/pom.xml 2006-08-22 09:44:35 UTC (rev 1331)
@@ -873,14 +873,14 @@
</dependency>
<!-- JNLP -->
- <!--<dependency>-->
- <!--<groupId>javax.jnlp</groupId>-->
- <!--<artifactId>jnlp</artifactId>-->
- <!--<version>1.5.0</version>-->
- <!--<scope>system</scope>-->
- <!--<systemPath>${java.home}/lib/javaws.jar</systemPath>-->
+ <dependency>
+ <groupId>javax.jnlp</groupId>
+ <artifactId>jnlp</artifactId>
+ <version>1.5.0</version>
+ <scope>system</scope>
+ <systemPath>${java.home}/lib/javaws.jar</systemPath>
<!-- This isn't purely jnlp, it contains sun files... -->
- <!--</dependency>-->
+ </dependency>
<!-- Persistence (for samples) -->
<dependency>
Modified: trunk/spring-richclient/tiger/pom.xml
===================================================================
--- trunk/spring-richclient/tiger/pom.xml 2006-08-22 07:15:22 UTC (rev
1330)
+++ trunk/spring-richclient/tiger/pom.xml 2006-08-22 09:44:35 UTC (rev
1331)
@@ -41,7 +41,8 @@
</reporting>
<dependencies>
-
+
+ <!-- Internal -->
<dependency>
<groupId>org.springframework.richclient</groupId>
<artifactId>spring-richclient-support</artifactId>
@@ -53,10 +54,17 @@
<scope>test</scope>
</dependency>
+ <!-- Dependency injection -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
</dependency>
+
+ <!-- JNLP -->
+ <dependency>
+ <groupId>javax.jnlp</groupId>
+ <artifactId>jnlp</artifactId>
+ </dependency>
</dependencies>
Added:
trunk/spring-richclient/tiger/src/main/java/org/springframework/richclient/jnlp/JnlpPropertyPlaceholderConfigurer.java
===================================================================
---
trunk/spring-richclient/tiger/src/main/java/org/springframework/richclient/jnlp/JnlpPropertyPlaceholderConfigurer.java
(rev 0)
+++
trunk/spring-richclient/tiger/src/main/java/org/springframework/richclient/jnlp/JnlpPropertyPlaceholderConfigurer.java
2006-08-22 09:44:35 UTC (rev 1331)
@@ -0,0 +1,150 @@
+package org.springframework.richclient.jnlp;
+
+import org.springframework.beans.factory.config.PropertyPlaceholderConfigurer;
+
+import javax.jnlp.BasicService;
+import javax.jnlp.ServiceManager;
+import javax.jnlp.UnavailableServiceException;
+import java.util.Properties;
+
+/**
+ * Subclass of PropertyPlaceholderConfigurer that resolves the following
properties as placeholders:
+ * <ul>
+ * <li><code>jnlp.webAppContextUrl</code> the webAppContextUrl, for example
+ * http://domain.com/petclinic/</li>
+ * </ul>
+ * <p/>
+ * <p>Can be combined with "locations" and/or "properties" values.
+ * <p/>
+ * <p>If a placeholder could not be resolved against the provided local
+ * properties within the application, this configurer will fall back to
+ * the JNLP properties. Can also be configured to let jnlp properties
+ * override local properties (contextOverride=true).
+ * <p/>
+ * <p>If not running within a JNLP context (or any other context that
+ * is able to satisfy the BasicService.lookup call), this class will
+ * use the fallBackWebAppContextUrl. This allows for keeping
+ * JnlpPropertyPlaceholderConfigurer definitions in test suites.
+ * <p/>
+ * <p> A typical usage would be:
+ * <pre>
+ * <bean id="jnlpPropertyPlaceholderConfigurer"
+ *
class="be.kahosl.thot.swingui.util.JnlpPropertyPlaceholderConfigurer">
+ * <property name="fallBackWebAppContextUrl"
value="http://localhost:8080/mywebapp/"/>
+ * <property name="jnlpRelativeDirectoryPathFromWebAppContext"
value="/jnlp/"/>
+ * </bean>
+ * </pre>
+ * <p/>
+ * Use this in combination with Sun's JnlpDownloadServlet to not have to
hardcode your server URL:
+ *
http://java.sun.com/j2se/1.5.0/docs/guide/javaws/developersguide/downloadservletguide.html
+ *
+ * @author Geoffrey De Smet
+ * @see #setLocations
+ * @see #setProperties
+ * @see #setSystemPropertiesModeName
+ * @see #setContextOverride
+ * @see javax.jnlp.BasicService#getCodeBase()
+ */
+public class JnlpPropertyPlaceholderConfigurer extends
PropertyPlaceholderConfigurer {
+
+ /**
+ * The placeholder for getWebAppContextUrl()
+ */
+ public static final String WEB_APP_CONTEXT_URL_PLACEHOLDER =
"jnlp.webAppContextUrl";
+
+ private boolean contextOverride = false;
+ private String fallBackWebAppContextUrl = "http://localhost:8080/";;
+ private String jnlpRelativeDirectoryPathFromWebAppContext = "/";
+
+ /**
+ * Set whether the JNLP properties should override local properties within
the application.
+ * Default is "false": JNLP properties settings serve as fallback.
+ * <p>Note that system properties will still override JNLP properties,
+ * if the system properties mode is set to
"SYSTEM_PROPERTIES_MODE_OVERRIDE".
+ *
+ * @see #setSystemPropertiesModeName
+ * @see #SYSTEM_PROPERTIES_MODE_OVERRIDE
+ */
+ public void setContextOverride(boolean contextOverride) {
+ this.contextOverride = contextOverride;
+ }
+
+ /**
+ * Set the webAppContextUrl to use when no javax.jnlp.BasicService is
available.
+ * This is usefull for testing outside JNLP (Java webstart).
+ * This defaults to <code>http://localhost:8080/</code>.
+ * Ussually you 'll want to set this to
<code>http://localhost:8080/mywebapp/</code>.
+ *
+ * @param fallBackWebAppContextUrl the webAppContextUrl to fall back on
ending with a slash
+ */
+ public void setFallBackWebAppContextUrl(String fallBackWebAppContextUrl) {
+ this.fallBackWebAppContextUrl = fallBackWebAppContextUrl;
+ }
+
+ /**
+ * Sets the relative directory path of the JNLP file relative to the
WebAppContext.
+ * Default this is <code>/</code>, which means that the JNLP file is in
the root of your webapp.
+ * If your JNLP file isn't in the root of you webapp, change it.
+ * For example for
<code>http://localhost:8080/mywebapp/dist/jnlp/myswingapp.jnlp</code>
+ * you would set this to <code>/dist/jnlp/</code>.
+ *
+ * @param jnlpRelativeDirectoryPathFromWebAppContext
+ * the relative directory path starting and ending with a slash
+ */
+ public void setJnlpRelativeDirectoryPathFromWebAppContext(String
jnlpRelativeDirectoryPathFromWebAppContext) {
+ this.jnlpRelativeDirectoryPathFromWebAppContext =
jnlpRelativeDirectoryPathFromWebAppContext;
+ }
+
+ protected String resolvePlaceholder(String placeholder, Properties props) {
+ String value = null;
+ if (this.contextOverride) {
+ value = resolvePlaceholder(placeholder);
+ }
+ if (value == null) {
+ value = super.resolvePlaceholder(placeholder, props);
+ }
+ if (value == null) {
+ value = resolvePlaceholder(placeholder);
+ }
+ return value;
+ }
+
+ /**
+ * Resolves the given placeholder using the jnlp properties.
+ *
+ * @param placeholder the placeholder to resolve
+ * @return the resolved value, of null if none
+ */
+ protected String resolvePlaceholder(String placeholder) {
+ String value = null;
+ if (placeholder.equals(WEB_APP_CONTEXT_URL_PLACEHOLDER)) {
+ value = getWebAppContextUrl();
+ }
+ return value;
+ }
+
+ /**
+ * Uses the jnlp API to determine the webapp context.
+ * If used outside of webstart, <code>fallBackWebAppContextUrl</code> is
returned.
+ * For example this could return
<code>http://localhost:8080/mywebapp/</code>.
+ *
+ * @return the url to the webapp ending with a slash
+ */
+ public String getWebAppContextUrl() {
+ String webAppContextUrl;
+ try {
+ BasicService basicService = (BasicService)
ServiceManager.lookup("javax.jnlp.BasicService");
+ String codeBase = basicService.getCodeBase().toExternalForm();
+ if (!codeBase.endsWith("/")) {
+ codeBase += "/";
+ }
+ int webAppContextUrlLength =
codeBase.lastIndexOf(jnlpRelativeDirectoryPathFromWebAppContext);
+ webAppContextUrl = codeBase.substring(0, webAppContextUrlLength +
1);
+ } catch (UnavailableServiceException e) {
+ // TODO logging
+ webAppContextUrl = fallBackWebAppContextUrl;
+ }
+ return webAppContextUrl;
+ }
+
+}
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