public UpdateResult updateVersion() {
List<File> changedPoms = new ArrayList<File>();
List<String> errors = new ArrayList<String>();
for (ReleasableModule module : reactor.getModulesInBuildOrder()) {
try {
MavenProject project = module.getProject();
if (module.willBeReleased()) {
log.info("Going to release " + module.getArtifactId() + " " + module.getNewVersion());
}
List<String> errorsForCurrentPom = alterModel(project, module.getNewVersion());
errors.addAll(errorsForCurrentPom);
File pom = project.getFile().getCanonicalFile();
changedPoms.add(pom);
Writer fileWriter = new FileWriter(pom);
Model originalModel = project.getOriginalModel();
try {
MavenXpp3Writer pomWriter = new MavenXpp3Writer();
pomWriter.write(fileWriter, originalModel);
} finally {
fileWriter.close();
}
} catch (Exception e) {
return new UpdateResult(changedPoms, errors, e);
}
}
return new UpdateResult(changedPoms, errors, null);
}
private String createDefaultPOM() {
MavenXpp3Writer writer = new MavenXpp3Writer();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
org.apache.maven.project.MavenProject mavenProject =
new org.apache.maven.project.MavenProject();
mavenProject.setModelVersion("4.0.0");
try {
writer.write(baos, mavenProject.getModel());
return baos.toString();
} catch (IOException e) {
// Should not happen
throw new RuntimeException("Failed to create default pom.xml", e);
}
}
@Override
public void setModel(final Model pom) {
MavenXpp3Writer writer = new MavenXpp3Writer();
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
MavenModelResource modelResource = getModelResource();
try (Writer fw = new OutputStreamWriter(outputStream)) {
writer.write(fw, pom);
modelResource.setContents(outputStream.toString());
} catch (IOException e) {
throw new RuntimeException(
"Could not write POM file: " + modelResource.getFullyQualifiedName(), e);
} finally {
buildManager.evictFromCache(modelResource);
}
}
/**
* @param expression the user expression asked.
* @throws MojoExecutionException if any
* @throws MojoFailureException if any reflection exceptions occur or missing components.
*/
private void handleResponse(String expression)
throws MojoExecutionException, MojoFailureException {
StringBuilder response = new StringBuilder();
Object obj;
try {
obj = getEvaluator().evaluate(expression);
} catch (ExpressionEvaluationException e) {
throw new MojoExecutionException("Error when evaluating the Maven expression", e);
}
if (obj != null && expression.equals(obj.toString())) {
getLog().warn("The Maven expression was invalid. Please use a valid expression.");
return;
}
// handle null
if (obj == null) {
response.append("null object or invalid expression");
}
// handle primitives objects
else if (obj instanceof String) {
response.append(obj.toString());
} else if (obj instanceof Boolean) {
response.append(obj.toString());
} else if (obj instanceof Byte) {
response.append(obj.toString());
} else if (obj instanceof Character) {
response.append(obj.toString());
} else if (obj instanceof Double) {
response.append(obj.toString());
} else if (obj instanceof Float) {
response.append(obj.toString());
} else if (obj instanceof Integer) {
response.append(obj.toString());
} else if (obj instanceof Long) {
response.append(obj.toString());
} else if (obj instanceof Short) {
response.append(obj.toString());
}
// handle specific objects
else if (obj instanceof File) {
File f = (File) obj;
response.append(f.getAbsolutePath());
}
// handle Maven pom object
else if (obj instanceof MavenProject) {
MavenProject projectAsked = (MavenProject) obj;
StringWriter sWriter = new StringWriter();
MavenXpp3Writer pomWriter = new MavenXpp3Writer();
try {
pomWriter.write(sWriter, projectAsked.getModel());
} catch (IOException e) {
throw new MojoExecutionException("Error when writing pom", e);
}
response.append(sWriter.toString());
}
// handle Maven Settings object
else if (obj instanceof Settings) {
Settings settingsAsked = (Settings) obj;
StringWriter sWriter = new StringWriter();
SettingsXpp3Writer settingsWriter = new SettingsXpp3Writer();
try {
settingsWriter.write(sWriter, settingsAsked);
} catch (IOException e) {
throw new MojoExecutionException("Error when writing settings", e);
}
response.append(sWriter.toString());
} else {
// others Maven objects
response.append(toXML(expression, obj));
}
getLog().info("\n" + response.toString());
}