protected MMObjectNode getGroupOrUserNode(Parameters a) {
MMObjectNode groupOrUser = getNode(a.getString(PARAMETER_GROUPORUSER));
if (groupOrUser == null)
throw new IllegalArgumentException(
"There is no node with id '" + a.get(PARAMETER_GROUPORUSER) + "'");
MMObjectBuilder parent = groupOrUser.getBuilder();
MMObjectBuilder userBuilder = Authenticate.getInstance().getUserProvider().getUserBuilder();
if (!(parent instanceof Groups || userBuilder.getClass().isInstance(parent))) {
throw new IllegalArgumentException(
"Node '" + a.get(PARAMETER_GROUPORUSER) + "' does not represent a group or a user");
}
return groupOrUser;
}
@Override
public void render(Parameters blockParameters, Writer w, RenderHints hints)
throws FrameworkException {
log.debug("Error rendering " + blockParameters);
switch (getType()) {
case BODY:
try {
decorateIntro(hints, w, "error");
w.write("<h1>" + error.status);
w.write(": ");
CharTransformer escape = new Xml(Xml.ESCAPE);
w.write(escape.transform(error.exception.getMessage()));
w.write(" ");
w.write(escape.transform(url));
w.write("</h1>");
w.write("<pre>");
HttpServletRequest request = blockParameters.get(Parameter.REQUEST);
error.getErrorReport(w, request, escape);
w.write("</pre>");
decorateOutro(hints, w);
} catch (IOException eio) {
throw new FrameworkException(eio.getMessage(), eio);
}
break;
default:
}
}
/**
* I think in the basic framework this method is never called explicitely, because processing is
* done implicitly by the render
*/
@Override
public void process(
Processor processor, Parameters blockParameters, Parameters frameworkParameters)
throws FrameworkException {
HttpServletRequest request = frameworkParameters.get(Parameter.REQUEST);
State state = State.getState(request);
state.startBlock(frameworkParameters, null);
setBlockParametersForProcess(state, blockParameters);
processor.process(blockParameters);
}
@Override
public Block getRenderingBlock(Parameters frameworkParameters) {
HttpServletRequest request = frameworkParameters.get(Parameter.REQUEST);
State state = State.getState(request);
if (state.isRendering()) {
return state.getBlock();
} else {
return null;
}
}
@SuppressWarnings("unchecked")
@Override
public <C> C setSettingValue(Setting<C> setting, Parameters parameters, C value) {
if (parameters == null)
throw new SecurityException("You should provide Cloud and request parameters");
boolean useSession = parameters.get(USE_REQ);
if (useSession) {
C ret = getSettingValue(setting, parameters);
HttpServletRequest req = parameters.get(Parameter.REQUEST);
req.getSession(true).setAttribute(getKey(setting), value);
return ret;
} else {
Cloud cloud = parameters.get(Parameter.CLOUD);
if (cloud.getUser().getRank() == org.mmbase.security.Rank.ADMIN) {
saveSettingValue(setting, value);
return (C) settingValues.put(setting, value);
} else {
throw new SecurityException("Permission denied");
}
}
}
/** Test default package versions. */
public static void testDefaultPackageVersion() throws Exception {
Builder a = new Builder();
a.addClasspath(new File("bin"));
a.setProperty("Bundle-Version", "1.2.3");
a.setProperty("Export-Package", "test.refer");
Jar jar = a.build();
Manifest m = jar.getManifest();
Parameters exports =
Processor.parseHeader(m.getMainAttributes().getValue(Constants.EXPORT_PACKAGE), null);
Map<String, String> attrs = exports.get("test.refer");
assertNotNull(attrs);
assertEquals("1.2.3", attrs.get("version"));
}
public LambdaInfo getLambdaIfExists(AbstractInsnNode insnNode) {
if (insnNode.getOpcode() == Opcodes.ALOAD) {
int varIndex = ((VarInsnNode) insnNode).var;
if (varIndex < parameters.totalSize()) {
return parameters.get(varIndex).getLambda();
}
} else if (insnNode instanceof FieldInsnNode) {
FieldInsnNode fieldInsnNode = (FieldInsnNode) insnNode;
if (fieldInsnNode.name.startsWith("$$$")) {
return findCapturedField(fieldInsnNode, nodeRemapper).getLambda();
}
}
return null;
}
@SuppressWarnings("unchecked")
@Override
public <C> C getSettingValue(Setting<C> setting, Parameters parameters) {
boolean useSession = parameters != null && parameters.get(USE_REQ);
if (useSession) {
HttpServletRequest req = parameters.get(Parameter.REQUEST);
if (req != null) {
Object v = req.getSession(true).getAttribute(getKey(setting));
if (v != null) {
return setting.getDataType().cast(v, null, null);
}
}
}
if (settingValues.containsKey(setting)) {
return (C) settingValues.get(setting);
} else {
C settingValue = loadSettingValue(setting);
if (settingValue != null) {
settingValues.put(setting, settingValue);
return settingValue;
}
return setting.getDataType().getDefaultValue();
}
}
/**
* Tests if the implementation of the EventHandler (which is marked as a ConsumerType) causes the
* import of the api package to use the consumer version policy.
*/
public static void testConsumerType() throws Exception {
Builder a = new Builder();
a.addClasspath(new File("bin"));
a.setPrivatePackage("test.versionpolicy.uses");
a.setExportPackage("test.versionpolicy.api");
a.setProperty("build", "123");
Jar jar = a.build();
assertTrue(a.check());
Manifest m = jar.getManifest();
m.write(System.err);
Domain d = Domain.domain(m);
Parameters parameters = d.getImportPackage();
Attrs attrs = parameters.get("test.versionpolicy.api");
assertNotNull(attrs);
assertEquals("[1.2,2)", attrs.get("version"));
}
/**
* Test if the implementation of "AnnotatedProviderInterface", which is annotated with OSGi
* R6 @ProviderType, causes import of the api package to use the provider version policy
*/
public static void testProviderTypeR6() throws Exception {
Builder b = new Builder();
b.addClasspath(new File("bin"));
b.setPrivatePackage("test.versionpolicy.implemented.osgi");
b.setProperty("build", "123");
Jar jar = b.build();
assertTrue(b.check());
Manifest m = jar.getManifest();
m.write(System.err);
Domain d = Domain.domain(m);
Parameters params = d.getImportPackage();
Attrs attrs = params.get("test.version.annotations.osgi");
assertNotNull(attrs);
assertEquals("[1.2,1.3)", attrs.get("version"));
}
@Override
public String getProcessUrl(
String path, Map<String, ?> parameters, Parameters frameworkParameters, boolean escapeAmps)
throws FrameworkException {
HttpServletRequest request =
BasicUrlConverter.getUserRequest(frameworkParameters.get(Parameter.REQUEST));
State state = State.getState(request);
frameworkParameters.set(ACTION, state.getId());
Url url = urlConverter.getProcessUrl(path, parameters, frameworkParameters, escapeAmps);
if (url == Url.NOT) {
log.debug("Fall back url");
return fallbackConverter
.getProcessUrl(path, parameters, frameworkParameters, escapeAmps)
.getUrl();
} else {
log.debug("Url converter url " + url);
return url.getUrl();
}
}
@Override
public Node getUserNode(Parameters frameworkParameters) {
Cloud cloud = frameworkParameters.get(Parameter.CLOUD);
if (cloud == null) {
return null;
} else {
try {
int userNode = cloud.getCloudContext().getAuthentication().getNode(cloud.getUser());
if (cloud.hasNode(userNode)) {
return cloud.getNode(userNode);
} else {
return null;
}
} catch (UnsupportedOperationException uoe) {
// never mind
return null;
}
}
}
/**
* Tests if the implementation of the EventAdmin (which is marked as a ProviderType) causes the
* import of the api package to use the provider version policy.
*/
public static void testProviderType() throws Exception {
Builder a = new Builder();
a.addClasspath(new File("bin"));
a.setPrivatePackage("test.versionpolicy.implemented");
a.setExportPackage("test.versionpolicy.api");
a.setImportPackage("test.versionpolicy.api"); // what changed so this is
// not automatically
// added?
a.setProperty("build", "123");
Jar jar = a.build();
assertTrue(a.check());
Manifest m = jar.getManifest();
m.write(System.err);
Domain d = Domain.domain(m);
Parameters parameters = d.getImportPackage();
Attrs attrs = parameters.get("test.versionpolicy.api");
assertNotNull(attrs);
assertEquals("[1.2,1.3)", attrs.get("version"));
}
/** Check implementation version policy. Uses the package test.versionpolicy.(uses|implemented) */
static void assertPolicy(String pack, String type) throws Exception {
Builder a = new Builder();
a.addClasspath(new File("bin"));
a.setProperty("Export-Package", "test.versionpolicy.api");
Jar jar = a.build();
Builder b = new Builder();
b.addClasspath(jar);
b.addClasspath(new File("bin"));
b.setProperty("-versionpolicy-impl", "IMPL");
b.setProperty("-versionpolicy-uses", "USES");
b.setProperty("Private-Package", pack);
b.build();
Manifest m = b.getJar().getManifest();
m.write(System.err);
Map<String, String> map = b.getImports().getByFQN("test.versionpolicy.api");
assertNotNull(map);
// String s = map.get(Constants.IMPLEMENTED_DIRECTIVE);
// assertEquals("true", s);
Parameters mp = Processor.parseHeader(m.getMainAttributes().getValue("Import-Package"), null);
assertEquals(type, mp.get("test.versionpolicy.api").get("version"));
}
@Override
public void initialize(Parameters params) throws ResourceInitializationException {
super.initialize(params);
if (params.contains(Constants.REPRESENTER)) {
representer = (TextRepresenter) params.get(Constants.REPRESENTER);
} else {
throw new ResourceInitializationException("No text representer specified.");
}
if (params.contains(Constants.FIND_BEST_PARAMETERS)) {
findBestParameters = params.getBoolean(Constants.FIND_BEST_PARAMETERS);
} else {
gamma = 1.0 / (double) representer.getFeatures().size();
}
if (params.contains(Constants.C)) {
if (findBestParameters) {
logger.warn("Finding best parameters. The specified C value will be ignored.");
} else {
c = params.getDouble(Constants.C);
}
}
if (params.contains(Constants.WEIGHTS)) {
// Parse weight specs
weights = new TreeMap<Integer, Double>();
for (String piece : params.getString(Constants.WEIGHTS).split(",\\s*")) {
String[] pair = piece.split(":");
if (pair.length != 2) {
throw new ResourceInitializationException(
"Invalid weight specs in " + params.getString(Constants.WEIGHTS));
}
try {
int i = Integer.parseInt(pair[0]);
double w = Double.parseDouble(pair[1]);
weights.put(i, w);
} catch (Exception e) {
throw new ResourceInitializationException(
"Invalid weight specs in " + params.getString(Constants.WEIGHTS), e);
}
}
}
if (params.contains(Constants.GAMMA)) {
if (findBestParameters) {
logger.warn("Finding best parameters. The specified gamma value will be ignored.");
} else {
gamma = params.getDouble(Constants.GAMMA);
}
}
if (params.contains(Constants.SAMPLE)) {
if (findBestParameters) {
sample = params.getDouble(Constants.SAMPLE);
if (sample <= 0 || sample > 1) {
throw new ResourceInitializationException("Invalid sample value " + sample);
}
} else {
logger.warn(
"Sample value valid for parameter optimization only. Provided sample value will be ignored.");
}
}
if (params.contains(Constants.NUMBER_OF_THREADS)) {
numberOfThreads = params.getInt(Constants.NUMBER_OF_THREADS);
if (numberOfThreads < 1) {
throw new ResourceInitializationException(Constants.NUMBER_OF_THREADS + " must be >= 1");
}
}
if (params.contains(Constants.TARGET_CLASS)) {
targetClass = params.getString(Constants.TARGET_CLASS);
logger.debug("Target Class: " + targetClass);
}
}
/**
* Basic Framework implicitely also processes, i'm not sure if we should require any framework to
* do that (perhaps we could say, that the render method must process, if that is necessary, and
* not yet done).
*/
@Override
public void render(
Renderer renderer,
Parameters blockParameters,
Parameters frameworkParameters,
Writer w,
WindowState windowState)
throws FrameworkException {
ServletRequest request = frameworkParameters.get(Parameter.REQUEST);
if (request == null) {
throw new IllegalArgumentException("No request object given");
}
State state = State.getState(request);
if (state
.isRendering()) { // mm:component used during rending of a component, that's fine, but use a
// new State.
state = new State(request);
log.debug("Alreadying rendering, taking a new state for sub-block-rendering: " + state);
}
log.debug("Rendering " + renderer.getBlock() + " " + renderer);
Object prevHints = request.getAttribute(RenderHints.KEY);
try {
request.setAttribute(COMPONENT_CLASS_KEY, getComponentClass());
request.setAttribute(COMPONENT_CURRENTUSER_KEY, getUserNode(frameworkParameters));
Renderer actualRenderer = state.startBlock(frameworkParameters, renderer);
if (!actualRenderer.equals(renderer)) {
Parameters newBlockParameters = actualRenderer.getBlock().createParameters();
newBlockParameters.setAllIfDefined(blockParameters);
blockParameters = newBlockParameters;
}
state.setAction(request.getParameter(ACTION.getName()));
if (state.needsProcess()) {
log.service("Performing action on " + actualRenderer.getBlock());
Processor processor = actualRenderer.getBlock().getProcessor();
state.process(processor);
log.service("Processing " + actualRenderer.getBlock() + " " + processor);
setBlockParametersForProcess(state, blockParameters);
processor.process(blockParameters);
state.endProcess();
}
state.render(actualRenderer);
setBlockParametersForRender(state, blockParameters);
RenderHints hints =
new RenderHints(
actualRenderer,
windowState,
state.getId(),
getComponentClass(),
RenderHints.Mode.NORMAL);
request.setAttribute(RenderHints.KEY, hints);
actualRenderer.render(blockParameters, w, hints);
request.setAttribute("org.mmbase.framework.hints", hints);
} catch (FrameworkException fe) {
log.debug(fe);
URI uri = renderer.getUri();
Renderer error =
new ErrorRenderer(
renderer.getType(),
renderer.getBlock(),
(uri != null) ? uri.toString() : null,
500,
fe);
RenderHints hints =
new RenderHints(
error, windowState, state.getId(), getComponentClass(), RenderHints.Mode.NORMAL);
error.render(blockParameters, w, hints);
} finally {
request.setAttribute(RenderHints.KEY, prevHints);
state.endBlock();
}
}