/**
* Confirms that each jnlpFile element is configured with a unique JNLP file name.
*
* @throws MojoExecutionException
*/
private void checkForUniqueJnlpFilenames() throws MojoExecutionException {
Set filenames = new HashSet(this.jnlpFiles.size());
for (Iterator itr = this.jnlpFiles.iterator(); itr.hasNext(); ) {
JnlpFile jnlpFile = (JnlpFile) itr.next();
if (!filenames.add(jnlpFile.getOutputFilename())) {
throw new MojoExecutionException(
"Configuration error: Unique JNLP filenames must be provided. "
+ "The following file name appears more than once ["
+ jnlpFile.getOutputFilename()
+ "].");
}
}
}
/**
* Checks the collection of jarResources configured for a given jnlpFile element.
*
* @param jnlpFile The configuration element whose jarResources are to be checked.
* @throws MojoExecutionException if any config is invalid.
*/
private void checkJnlpJarResources(JnlpFile jnlpFile) throws MojoExecutionException {
List jnlpJarResources = jnlpFile.getJarResources();
if (jnlpJarResources == null || jnlpJarResources.isEmpty()) {
throw new MojoExecutionException(
"Configuration error: A non-empty <jarResources> element must be specified in the plugin "
+ "configuration for the JNLP file named ["
+ jnlpFile.getOutputFilename()
+ "]");
}
Iterator itr = jnlpJarResources.iterator();
List /*JarResource*/ jarsWithMainClass = new ArrayList();
while (itr.hasNext()) {
JarResource jarResource = (JarResource) itr.next();
checkMandatoryJarResourceFields(jarResource);
if (jarResource.getMainClass() != null) {
jnlpFile.setMainClass(jarResource.getMainClass());
jarsWithMainClass.add(jarResource);
}
}
if (jarsWithMainClass.isEmpty()) {
throw new MojoExecutionException(
"Configuration error: Exactly one <jarResource> element must "
+ "be declared with a <mainClass> element in the configuration for JNLP file ["
+ jnlpFile.getOutputFilename()
+ "]");
}
if (jarsWithMainClass.size() > 1) {
throw new MojoExecutionException(
"Configuration error: More than one <jarResource> element has been declared "
+ "with a <mainClass> element in the configuration for JNLP file ["
+ jnlpFile.getOutputFilename()
+ "]");
}
}
/**
* Checks the validity of a single jnlpFile configuration element.
*
* @param jnlpFile The configuration element to be checked.
* @throws MojoExecutionException if the config element is invalid.
*/
private void checkJnlpFileConfiguration(JnlpFile jnlpFile) throws MojoExecutionException {
if (StringUtils.isEmpty(jnlpFile.getOutputFilename())) {
throw new MojoExecutionException(
"Configuration error: An outputFilename must be specified for each jnlpFile element");
}
if (jnlpFile.getTemplateFilename() == null) {
getLog()
.info(
"No templateFilename found for "
+ jnlpFile.getOutputFilename()
+ ". Will use the default template.");
} else {
File templateFile = new File(getTemplateDirectory(), jnlpFile.getTemplateFilename());
if (!templateFile.isFile()) {
throw new MojoExecutionException(
"The specified JNLP template does not exist: [" + templateFile + "]");
}
}
checkJnlpJarResources(jnlpFile);
}
private void generateJnlpFile(JnlpFile jnlpFile, String libPath) throws MojoExecutionException {
File jnlpOutputFile = new File(getWorkDirectory(), jnlpFile.getOutputFilename());
Set jarResources = new LinkedHashSet();
jarResources.addAll(jnlpFile.getJarResources());
if (this.commonJarResources != null && !this.commonJarResources.isEmpty()) {
for (Iterator itr = this.commonJarResources.iterator(); itr.hasNext(); ) {
JarResource jarResource = (JarResource) itr.next();
jarResources.add(jarResource);
}
jarResources.addAll(this.commonJarResources);
}
JarResourcesGenerator jnlpGenerator =
new JarResourcesGenerator(
getProject(),
getTemplateDirectory(),
"default-jnlp-servlet-template.vm",
jnlpOutputFile,
jnlpFile.getTemplateFilename(),
jarResources,
jnlpFile.getMainClass(),
getWebstartJarURLForVelocity(),
libPath);
jnlpGenerator.setExtraConfig(getGeneratorExtraConfig());
try {
jnlpGenerator.generate();
} catch (Exception e) {
throw new MojoExecutionException(
"The following error occurred attempting to generate "
+ "the JNLP deployment descriptor: "
+ e,
e);
}
}