// BEGIN MODIFICATION
private FieldManager getFieldManager(
TypeOracle oracle,
MortalLogger logger,
PropertyOracle propertyOracle,
boolean useLazyWidgetBuilder)
throws UnableToCompleteException {
// Find ginjector
FieldManager fieldManager;
try {
String ginjectorClassName =
propertyOracle.getConfigurationProperty("gin.ginjector").getValues().get(0);
JClassType ginjectorClass = oracle.findType(ginjectorClassName);
if (ginjectorClass == null
|| !ginjectorClass.isAssignableTo(oracle.findType(Ginjector.class.getCanonicalName()))) {
logger.die(
"The configuration property 'gin.ginjector' is '%s' "
+ " which doesn't identify a type inheriting from 'Ginjector'.",
ginjectorClassName);
}
fieldManager = new GinFieldManager(oracle, logger, ginjectorClass, useLazyWidgetBuilder);
} catch (BadPropertyValueException e) {
logger.warn(
"The configuration property 'gin.ginjector' was not found, it is required to use "
+ "gin injection for UiBinder fields. If you don't need this consider using "
+ "UiBinder.gwt.xml instead of GinUiBinder.gwt.xml in your module.");
fieldManager = new FieldManager(oracle, logger, useLazyWidgetBuilder);
}
return fieldManager;
}
protected boolean doEval(
TreeLogger logger, PropertyOracle propertyOracle, TypeOracle typeOracle, String testType)
throws UnableToCompleteException {
String testValue;
try {
try {
SelectionProperty prop = propertyOracle.getSelectionProperty(logger, propName);
testValue = prop.getCurrentValue();
} catch (BadPropertyValueException e) {
ConfigurationProperty prop = propertyOracle.getConfigurationProperty(propName);
testValue = prop.getValues().get(0);
}
logger.log(TreeLogger.DEBUG, "Property value is '" + testValue + "'", null);
if (testValue.equals(value)) {
return true;
} else {
return false;
}
} catch (BadPropertyValueException e) {
String msg = "Unable to get value of property '" + propName + "'";
logger.log(TreeLogger.ERROR, msg, e);
throw new UnableToCompleteException();
}
}
private void maybeAddToBlacklist(
String propName, Collection<String> blacklist, PropertyOracle propOracle) {
try {
ConfigurationProperty configProp = propOracle.getConfigurationProperty(propName);
// supports multivalue property
for (String bannedSymbols : configProp.getValues()) {
// and comma separated list
String[] idents = bannedSymbols.split(",");
for (String ident : idents) {
String trimmedIdent = ident.trim();
if (trimmedIdent.length() > 0) {
blacklist.add(trimmedIdent);
}
}
}
} catch (BadPropertyValueException e) {
// thrown if not set to anything
}
}
private Boolean extractConfigProperty(
MortalLogger logger,
PropertyOracle propertyOracle,
String configProperty,
boolean defaultValue) {
List<String> values;
try {
values = propertyOracle.getConfigurationProperty(configProperty).getValues();
} catch (BadPropertyValueException e) {
logger.warn("No value found for configuration property %s.", configProperty);
return defaultValue;
}
String value = values.get(0);
if (!value.equals(Boolean.FALSE.toString()) && !value.equals(Boolean.TRUE.toString())) {
logger.warn(
"Unparseable value \"%s\" found for configuration property %s", value, configProperty);
return defaultValue;
}
return Boolean.valueOf(value);
}
protected void tryWriteMetaInf(
TreeLogger logger, Class<?> cls, JClassType impl, GeneratorContext context) {
String serviceInterface = cls.getName();
String serviceImplementation = impl.getQualifiedBinaryName();
ArrayList<File> outputDirs = new ArrayList<File>();
PropertyOracle properties = context.getPropertyOracle();
try {
File root = new File("");
if (root.getAbsolutePath().endsWith("war"))
root = new File(root.getAbsolutePath().replace(separator + "war", "") + separator);
else root = new File(root.getAbsolutePath());
ConfigurationProperty output = properties.getConfigurationProperty("xinject.output.dir");
for (String dir : output.getValues()) {
File f = new File(root, dir);
if (f.isDirectory()) {
outputDirs.add(f);
f = new File(f, "META-INF" + separator + "services");
if (!f.exists()) {
if (!f.mkdirs()) {
logger.log(
Type.WARN,
"Unable to create META-INF"
+ separator
+ "services "
+ " in "
+ f.getAbsolutePath()
+ " "
+ "Please ensure this directory exists, and is writable.");
}
}
} else {
logger.log(
Type.WARN,
"Missing xinject output directory: "
+ f.getAbsolutePath()
+ ". "
+ "Please set xinject.output.dir to existing source directories; current value: "
+ output.getValues());
}
}
} catch (BadPropertyValueException e1) {
logger.log(Type.WARN, "Unexpected propery exception for xinject.output.dir", e1);
}
try {
String prefix =
".."
+ separator
+ "WEB-INF"
+ separator
+ "classes"
+ separator
+ "META-INF"
+ separator
+ "singletons"
+ separator;
// TODO use a typed artifact to let the linker have a peak if it needs to
OutputStream res = context.tryCreateResource(logger, prefix + serviceInterface);
res.write(serviceImplementation.getBytes());
context.commitResource(logger, res).setVisibility(Visibility.Public);
} catch (UnableToCompleteException e) {
logger.log(Type.ERROR, "Couldn't write java services to META-INF/singeltons", e);
} catch (IOException e) {
logger.log(
Type.ERROR,
"Couldn't write java services to META-INF/singletons; please ensure the war folder has full write access and the disk is not full.",
e);
e.printStackTrace();
}
logger.log(
Type.TRACE,
"Saving META-INF/singletons for " + serviceInterface + " -> " + serviceImplementation);
exports:
for (File output : outputDirs) {
String knownContent = null;
// check for existing META-INF/singletons entries, so we don't clobber anything
File existing =
new File(output, "META-INF" + separator + "services" + separator + serviceInterface);
logger.log(Type.TRACE, "Saving ServiceLoader descriptor to " + existing.getAbsolutePath());
if (existing.isFile()) {
// need to read in existing manifest, and skip if service already exists
BufferedReader reader = null;
FileInputStream in = null;
try {
in = new FileInputStream(existing);
reader = new BufferedReader(new InputStreamReader(in));
String line;
StringBuilder b = new StringBuilder();
while ((line = reader.readLine()) != null) {
if (line.equals(serviceImplementation)) {
// the service impl already exists; skip to next output dir
// TODO put in a flag to override top permission.
try {
ConfigurationProperty prop =
context
.getPropertyOracle()
.getConfigurationProperty("xinject.overwrite.existing");
List<String> values = prop.getValues();
if (values.size() > 0)
if (values.get(0).matches("true")) {
// if we're supposed to overwrite the value, but it's already on top
if (b.length() == 0) {
continue exports; // skip the file write
}
continue; // this erases the existing value so we can put it back over top.
// it also skips the breaking-continue below.
}
} catch (BadPropertyValueException e) {
logger.log(Type.TRACE, "", e);
}
// if we've found the service, and are not allowed to move it to top,
continue exports; // carry on in the loop above.
}
b.append(line + "\n");
}
knownContent = b.toString().substring(0, b.length() - 1);
} catch (IOException e) {
logger.log(
Type.WARN,
"Received io exception writing META-INF/service for " + existing.getAbsolutePath());
} finally {
try {
if (in != null) in.close();
if (reader != null) reader.close();
} catch (IOException e) {
}
}
}
// save a new java service descriptor
FileWriter writer = null;
try {
try {
boolean exists = existing.isFile();
if (!exists) {
if (!existing.createNewFile()) {
logger.log(Type.WARN, "Could not create output file for " + existing);
continue exports;
}
}
writer = new FileWriter(existing, false);
if (knownContent == null) {
writer.append(serviceImplementation);
} else {
writer.append(serviceImplementation);
writer.append('\n');
writer.append(knownContent);
}
} finally {
if (writer != null) {
writer.close();
}
}
} catch (IOException e) {
logger.log(
Type.WARN,
"File write exception trying to save META-INF/singletons for " + existing,
e);
}
}
}