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authorManuel Carrasco Moñino <manuel.carrasco.m@gmail.com>2012-11-07 19:12:35 +0100
committerManuel Carrasco Moñino <manuel.carrasco.m@gmail.com>2012-11-07 19:12:35 +0100
commita4ebe76825a73a35d073b2a08d058c0f1808948c (patch)
tree7e3bae90375ee7b623f2e9bdc9664930d8493f9d /jsquery
parentbe8f38d42fe9d89dd010112a827251a6c3d119ab (diff)
downloadgwtquery-a4ebe76825a73a35d073b2a08d058c0f1808948c.tar.gz
gwtquery-a4ebe76825a73a35d073b2a08d058c0f1808948c.zip
This class was used for debuging, it must not be in the gquery repository
Diffstat (limited to 'jsquery')
-rw-r--r--jsquery/src/main/java/com/google/gwt/dev/javac/StandardGeneratorContext.java834
1 files changed, 0 insertions, 834 deletions
diff --git a/jsquery/src/main/java/com/google/gwt/dev/javac/StandardGeneratorContext.java b/jsquery/src/main/java/com/google/gwt/dev/javac/StandardGeneratorContext.java
deleted file mode 100644
index 8ea2f1e6..00000000
--- a/jsquery/src/main/java/com/google/gwt/dev/javac/StandardGeneratorContext.java
+++ /dev/null
@@ -1,834 +0,0 @@
-/*
- * Copyright 2007 Google Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
-package com.google.gwt.dev.javac;
-
-import com.google.gwt.core.ext.Generator;
-import com.google.gwt.core.ext.GeneratorContext;
-import com.google.gwt.core.ext.GeneratorContextExt;
-import com.google.gwt.core.ext.GeneratorExt;
-import com.google.gwt.core.ext.GeneratorExtWrapper;
-import com.google.gwt.core.ext.PropertyOracle;
-import com.google.gwt.core.ext.TreeLogger;
-import com.google.gwt.core.ext.UnableToCompleteException;
-import com.google.gwt.core.ext.linker.Artifact;
-import com.google.gwt.core.ext.linker.ArtifactSet;
-import com.google.gwt.core.ext.linker.GeneratedResource;
-import com.google.gwt.core.ext.linker.impl.StandardGeneratedResource;
-import com.google.gwt.core.ext.typeinfo.JClassType;
-import com.google.gwt.core.ext.typeinfo.TypeOracle;
-import com.google.gwt.dev.cfg.ModuleDef;
-import com.google.gwt.dev.javac.rebind.CachedRebindResult;
-import com.google.gwt.dev.javac.rebind.RebindResult;
-import com.google.gwt.dev.javac.rebind.RebindRuleResolver;
-import com.google.gwt.dev.javac.rebind.RebindStatus;
-import com.google.gwt.dev.resource.ResourceOracle;
-import com.google.gwt.dev.util.DiskCache;
-import com.google.gwt.dev.util.Util;
-import com.google.gwt.dev.util.collect.HashSet;
-import com.google.gwt.dev.util.collect.IdentityHashMap;
-import com.google.gwt.dev.util.log.speedtracer.CompilerEventType;
-import com.google.gwt.dev.util.log.speedtracer.SpeedTracerLogger;
-import com.google.gwt.dev.util.log.speedtracer.SpeedTracerLogger.Event;
-import com.google.gwt.util.tools.Utility;
-
-import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.OutputStream;
-import java.io.PrintWriter;
-import java.io.StringWriter;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.Set;
-import java.util.SortedSet;
-
-/**
- * Manages generators and generated units during a single compilation.
- */
-public class StandardGeneratorContext implements GeneratorContextExt {
-
- /**
- * Extras added to {@link GeneratedUnit}.
- */
- private static interface Generated extends GeneratedUnit {
- void abort();
-
- void commit(TreeLogger logger);
-
- /**
- * Returns the strong hash of the source.
- */
- String getStrongHash();
-
- String getTypeName();
- }
-
- /**
- * This generated unit acts as a normal generated unit as well as a buffer
- * into which generators can write their source. A controller should ensure
- * that source isn't requested until the generator has finished writing it.
- * This version is backed by {@link StandardGeneratorContext#diskCache}.
- */
- private static class GeneratedUnitImpl implements Generated {
-
- /**
- * A token to retrieve this object's bytes from the disk cache.
- */
- protected long sourceToken = -1;
-
- private long creationTime;
-
- private String strongHash; // cache so that refreshes work correctly
-
- private StringWriter sw;
-
- private final String typeName;
-
- public GeneratedUnitImpl(StringWriter sw, String typeName) {
- this.typeName = typeName;
- this.sw = sw;
- }
-
- public void abort() {
- sw = null;
- }
-
- /**
- * Finalizes the source and adds this generated unit to the host.
- */
- public void commit(TreeLogger logger) {
- String source = sw.toString();
- System.out.println(">>>>> \n" + source);
- strongHash = Util.computeStrongName(Util.getBytes(source));
- sourceToken = diskCache.writeString(source);
- sw = null;
- creationTime = System.currentTimeMillis();
- }
-
- public long creationTime() {
- return creationTime;
- }
-
- public String getSource() {
- if (sw != null) {
- throw new IllegalStateException("source not committed");
- }
- return diskCache.readString(sourceToken);
- }
-
- public long getSourceToken() {
- if (sw != null) {
- throw new IllegalStateException("source not committed");
- }
- return sourceToken;
- }
-
- public String getStrongHash() {
- return strongHash;
- }
-
- public String getTypeName() {
- return typeName;
- }
-
- public String optionalFileLocation() {
- return null;
- }
- }
-
- /**
- * This generated unit acts as a normal generated unit as well as a buffer
- * into which generators can write their source. A controller should ensure
- * that source isn't requested until the generator has finished writing it.
- * This version is backed by an explicit generated file.
- */
- private static class GeneratedUnitWithFile extends GeneratedUnitImpl {
- private final File file;
-
- public GeneratedUnitWithFile(File file, StringWriter pw, String typeName) {
- super(pw, typeName);
- this.file = file;
- }
-
- @Override
- public void commit(TreeLogger logger) {
- super.commit(logger);
- FileOutputStream fos = null;
- try {
- fos = new FileOutputStream(file);
- diskCache.transferToStream(sourceToken, fos);
- } catch (IOException e) {
- logger.log(TreeLogger.WARN, "Error writing out generated unit at '"
- + file.getAbsolutePath() + "': " + e);
- } finally {
- Utility.close(fos);
- }
- }
-
- @Override
- public String optionalFileLocation() {
- return file.exists() ? file.getAbsolutePath() : null;
- }
- }
-
- /**
- * Manages a resource that is in the process of being created by a generator.
- */
- private static class PendingResource extends OutputStream {
-
- private ByteArrayOutputStream baos = new ByteArrayOutputStream();
- private final String partialPath;
-
- public PendingResource(String partialPath) {
- this.partialPath = partialPath;
- }
-
- public void abort() {
- baos = null;
- }
-
- public String getPartialPath() {
- return partialPath;
- }
-
- public byte[] takeBytes() {
- byte[] result = baos.toByteArray();
- baos = null;
- return result;
- }
-
- @Override
- public void write(byte[] b) throws IOException {
- if (baos == null) {
- throw new IOException("stream closed");
- }
- baos.write(b);
- }
-
- @Override
- public void write(byte[] b, int off, int len) throws IOException {
- if (baos == null) {
- throw new IOException("stream closed");
- }
- baos.write(b, off, len);
- }
-
- @Override
- public void write(int b) throws IOException {
- if (baos == null) {
- throw new IOException("stream closed");
- }
- baos.write(b);
- }
- }
-
- private static DiskCache diskCache = DiskCache.INSTANCE;
-
- private static final Map<String, CompilerEventType> eventsByGeneratorType =
- new HashMap<String, CompilerEventType>();
- static {
- eventsByGeneratorType.put(
- "com.google.gwt.resources.rebind.context.InlineClientBundleGenerator",
- CompilerEventType.GENERATOR_CLIENT_BUNDLE);
- eventsByGeneratorType.put("com.google.gwt.i18n.rebind.LocalizableGenerator",
- CompilerEventType.GENERATOR_I18N);
- eventsByGeneratorType.put("com.google.gwt.i18n.rebind.LocaleInfoGenerator",
- CompilerEventType.GENERATOR_I18N);
- eventsByGeneratorType.put("com.google.gwt.i18n.rebind.CurrencyListGenerator",
- CompilerEventType.GENERATOR_I18N);
- eventsByGeneratorType.put("com.google.gwt.i18n.rebind.CustomDateTimeFormatGenerator",
- CompilerEventType.GENERATOR_I18N);
- eventsByGeneratorType.put("com.google.gwt.user.rebind.rpc.ServiceInterfaceProxyGenerator",
- CompilerEventType.GENERATOR_RPC);
- eventsByGeneratorType.put("com.google.gwt.rpc.rebind.RpcServiceGenerator",
- CompilerEventType.GENERATOR_RPC); // deRPC
- eventsByGeneratorType.put("com.google.gwt.uibinder.rebind.UiBinderGenerator",
- CompilerEventType.GENERATOR_UIBINDER);
- eventsByGeneratorType.put("com.google.gwt.inject.rebind.GinjectorGenerator",
- CompilerEventType.GENERATOR_GIN);
- }
-
- private final ArtifactSet allGeneratedArtifacts;
-
- private final Map<String, GeneratedUnit> committedGeneratedCups =
- new HashMap<String, GeneratedUnit>();
-
- private CompilationState compilationState;
-
- private Class<? extends Generator> currentGenerator;
-
- private final File genDir;
-
- private final Map<Class<? extends Generator>, Generator> generators =
- new IdentityHashMap<Class<? extends Generator>, Generator>();
-
- private final ModuleDef module;
-
- private ArtifactSet newlyGeneratedArtifacts = new ArtifactSet();
-
- private final Set<String> newlyGeneratedTypeNames = new HashSet<String>();
-
- private final Map<String, PendingResource> pendingResources =
- new HashMap<String, PendingResource>();
-
- private transient PropertyOracle propOracle;
-
- private RebindRuleResolver rebindRuleResolver;
-
- private final Map<PrintWriter, Generated> uncommittedGeneratedCupsByPrintWriter =
- new IdentityHashMap<PrintWriter, Generated>();
-
- private CachedRebindResult cachedRebindResult = null;
-
- private boolean generatorResultCachingEnabled = false;
-
- private List<String> cachedTypeNamesToReuse = null;
-
- private boolean isProdMode;
-
- /**
- * Normally, the compiler host would be aware of the same types that are
- * available in the supplied type oracle although it isn't strictly required.
- */
- public StandardGeneratorContext(CompilationState compilationState, ModuleDef module, File genDir,
- ArtifactSet allGeneratedArtifacts, boolean isProdMode) {
- this.compilationState = compilationState;
- this.module = module;
- this.genDir = genDir;
- this.allGeneratedArtifacts = allGeneratedArtifacts;
- this.isProdMode = isProdMode;
- }
-
- /**
- * Adds a generated unit to the context if not already present, but will not
- * overwrite an existing unit.
- */
- public void addGeneratedUnit(GeneratedUnit gu) {
- if (!committedGeneratedCups.containsKey(gu.getTypeName())) {
- committedGeneratedCups.put(gu.getTypeName(), gu);
- }
- }
-
- /**
- * Adds generated units to the context, but will not overwrite any existing
- * units that might already be present.
- */
- public void addGeneratedUnits(Collection<GeneratedUnit> generatedUnits) {
- for (GeneratedUnit gu : generatedUnits) {
- addGeneratedUnit(gu);
- }
- }
-
- /**
- * Adds all available cached generated units to the context. Existing units
- * for a given type will not be overwritten.
- */
- public void addGeneratedUnitsFromCache() {
- if (cachedRebindResult != null && cachedRebindResult.getGeneratedUnits() != null) {
- addGeneratedUnits(cachedRebindResult.getGeneratedUnits());
- }
- }
-
- /**
- * Adds cached generated units to the context that have been marked for reuse.
- * Existing units for a given type will not be overwritten.
- */
- public void addGeneratedUnitsMarkedForReuseFromCache() {
- if (cachedTypeNamesToReuse != null && cachedRebindResult != null) {
- for (String typeName : cachedTypeNamesToReuse) {
- GeneratedUnit gu = cachedRebindResult.getGeneratedUnit(typeName);
- if (gu != null) {
- addGeneratedUnit(gu);
- }
- }
- }
- }
-
- /**
- * Checks whether a rebind rule is available for a given sourceTypeName.
- */
- public boolean checkRebindRuleAvailable(String sourceTypeName) {
- if (rebindRuleResolver != null) {
- return rebindRuleResolver.checkRebindRuleResolvable(sourceTypeName);
- } else {
- return false;
- }
- }
-
- /**
- * Frees memory used up by compilation state.
- */
- public void clear() {
- compilationState = null;
- generators.clear();
- }
-
- /**
- * Commits a pending generated type.
- */
- public final void commit(TreeLogger logger, PrintWriter pw) {
- Generated gcup = uncommittedGeneratedCupsByPrintWriter.get(pw);
- if (gcup != null) {
- gcup.commit(logger);
- uncommittedGeneratedCupsByPrintWriter.remove(pw);
- committedGeneratedCups.put(gcup.getTypeName(), gcup);
- } else {
- logger.log(TreeLogger.WARN, "Generator attempted to commit an unknown PrintWriter", null);
- }
- }
-
- /**
- * Adds an Artifact to the context's ArtifactSets. This will replace a
- * pre-existing entry in allGeneratedArtifacts, but will not overwrite an
- * entry in the newlyGeneratedArtifacts (since it is assumed by convention
- * that only new entries will ever be inserted here for a given generator
- * run).
- */
- public void commitArtifact(TreeLogger logger, Artifact<?> artifact) {
- allGeneratedArtifacts.replace(artifact);
- newlyGeneratedArtifacts.add(artifact);
- }
-
- /**
- * Commits all available cached Artifacts to the context.
- */
- public void commitArtifactsFromCache(TreeLogger logger) {
- if (cachedRebindResult != null && cachedRebindResult.getArtifacts() != null) {
- for (Artifact<?> art : cachedRebindResult.getArtifacts()) {
- commitArtifact(logger, art);
- }
- }
- }
-
- public GeneratedResource commitResource(TreeLogger logger, OutputStream os)
- throws UnableToCompleteException {
-
- PendingResource pendingResource = null;
- String partialPath = null;
- if (os instanceof PendingResource) {
- pendingResource = (PendingResource) os;
- partialPath = pendingResource.getPartialPath();
- // Make sure it's ours by looking it up in the map.
- if (pendingResource != pendingResources.get(partialPath)) {
- pendingResource = null;
- }
- }
- if (pendingResource == null) {
- logger.log(TreeLogger.WARN, "Generator attempted to commit an unknown OutputStream", null);
- throw new UnableToCompleteException();
- }
-
- // Add the GeneratedResource to the ArtifactSet
- GeneratedResource toReturn =
- new StandardGeneratedResource(currentGenerator, partialPath, pendingResource.takeBytes());
- commitArtifact(logger, toReturn);
- pendingResources.remove(pendingResource.getPartialPath());
- return toReturn;
- }
-
- /**
- * Call this whenever generators are known to not be running to clear out
- * uncommitted compilation units and to force committed compilation units to
- * be parsed and added to the type oracle.
- *
- * @return any newly generated artifacts since the last call
- */
- public final ArtifactSet finish(TreeLogger logger) {
- abortUncommittedResources(logger);
-
- try {
- TreeLogger branch;
- if (!committedGeneratedCups.isEmpty()) {
- // Assimilate the new types into the type oracle.
- //
- String msg = "Assimilating generated source";
- branch = logger.branch(TreeLogger.DEBUG, msg, null);
-
- TreeLogger subBranch = null;
- if (branch.isLoggable(TreeLogger.DEBUG)) {
- subBranch = branch.branch(TreeLogger.DEBUG, "Generated source files...", null);
- }
-
- for (GeneratedUnit gcup : committedGeneratedCups.values()) {
- String qualifiedTypeName = gcup.getTypeName();
- if (subBranch != null) {
- subBranch.log(TreeLogger.DEBUG, qualifiedTypeName, null);
- }
- }
-
- compilationState.addGeneratedCompilationUnits(logger, committedGeneratedCups.values());
- }
- return newlyGeneratedArtifacts;
- } finally {
-
- // Remind the user if there uncommitted cups.
- if (!uncommittedGeneratedCupsByPrintWriter.isEmpty()) {
- String msg =
- "For the following type(s), generated source was never committed (did you forget to call commit()?)";
- logger = logger.branch(TreeLogger.WARN, msg, null);
-
- for (Generated unit : uncommittedGeneratedCupsByPrintWriter.values()) {
- logger.log(TreeLogger.WARN, unit.getTypeName(), null);
- }
- }
-
- uncommittedGeneratedCupsByPrintWriter.clear();
- committedGeneratedCups.clear();
- newlyGeneratedTypeNames.clear();
- newlyGeneratedArtifacts = new ArtifactSet();
- cachedRebindResult = null;
- cachedTypeNamesToReuse = null;
- }
- }
-
- public Set<String> getActiveLinkerNames() {
- return module.getActiveLinkerNames();
- }
-
- /**
- * Gets newly committed artifacts.
- */
- public ArtifactSet getArtifacts() {
- return new ArtifactSet(newlyGeneratedArtifacts);
- }
-
- /**
- * Gets the previously cached rebind result for the current generator.
- */
- public CachedRebindResult getCachedGeneratorResult() {
- return cachedRebindResult;
- }
-
- public GeneratorContext getCanonicalContext() {
- return this;
- }
-
- public CompilationState getCompilationState() {
- return compilationState;
- }
-
- /**
- * Gets all committed Java units.
- */
- public Map<String, GeneratedUnit> getGeneratedUnitMap() {
- return committedGeneratedCups;
- }
-
- public final PropertyOracle getPropertyOracle() {
- return propOracle;
- }
-
- public ResourceOracle getResourcesOracle() {
- return module.getResourcesOracle();
- }
-
- public final TypeOracle getTypeOracle() {
- return compilationState.getTypeOracle();
- }
-
- public boolean isGeneratorResultCachingEnabled() {
- return generatorResultCachingEnabled;
- }
-
- public boolean isProdMode() {
- return isProdMode;
- }
-
- /**
- * Adds a type name to the list of types to be reused from cache, if
- * available.
- *
- * @param typeName The fully qualified name of a type.
- *
- * @return true, if the type is available in the cache and was successfully
- * added to the list for reuse, false otherwise.
- */
- public boolean reuseTypeFromCacheIfAvailable(String typeName) {
- if (!isGeneratorResultCachingEnabled() || cachedRebindResult == null
- || !cachedRebindResult.isTypeCached(typeName)) {
- return false;
- }
-
- if (cachedTypeNamesToReuse == null) {
- cachedTypeNamesToReuse = new ArrayList<String>();
- }
- cachedTypeNamesToReuse.add(typeName);
- return true;
- }
-
- /**
- * This method is maintained for backwards compatibility.
- * {@link #runGeneratorIncrementally} should be used instead.
- */
- public String runGenerator(TreeLogger logger, Class<? extends Generator> generatorClass,
- String typeName) throws UnableToCompleteException {
-
- RebindResult result = runGeneratorIncrementally(logger, generatorClass, typeName);
-
- return result.getReturnedTypeName();
- }
-
- /**
- * Runs a generator incrementally, with support for managing the returned
- * {@link RebindResult} object, which can contain status and cached results.
- * This is a replacement for the {@link #runGenerator} method.
- * <p>
- * If the passed in generatorClass is an instance of {@link GeneratorExt},
- * it's {@link GeneratorExt#generateIncrementally} method will be called.
- * <p>
- * Otherwise, for backwards compatibility, the generatorClass will be wrapped
- * in a {@link GeneratorExt} instance, and it's {@link Generator#generate}
- * method will be called.
- *
- * @param logger
- * @param generatorClass
- * @param typeName
- * @return a RebindResult
- * @throws UnableToCompleteException
- */
- public RebindResult runGeneratorIncrementally(TreeLogger logger,
- Class<? extends Generator> generatorClass, String typeName) throws UnableToCompleteException {
- String msg = "Invoking generator " + generatorClass.getName();
- logger = logger.branch(TreeLogger.DEBUG, msg, null);
-
- Generator generator = generators.get(generatorClass);
- if (generator == null) {
- try {
- generator = generatorClass.newInstance();
- generators.put(generatorClass, generator);
- } catch (Throwable e) {
- logger.log(TreeLogger.ERROR, "Unexpected error trying to instantiate Generator '"
- + generatorClass.getName() + "'", e);
- throw new UnableToCompleteException();
- }
- }
-
- setCurrentGenerator(generatorClass);
-
- // Avoid call to System.currentTimeMillis() if not logging DEBUG level
- boolean loggable = logger.isLoggable(TreeLogger.DEBUG);
- long before = loggable ? System.currentTimeMillis() : 0L;
- String generatorClassName = generator.getClass().getName();
- CompilerEventType type = eventsByGeneratorType.get(generatorClassName);
-
- if (type == null) {
- type = CompilerEventType.GENERATOR_OTHER;
- }
-
- Event generatorEvent =
- SpeedTracerLogger.start(type, "class", generatorClassName, "type", typeName);
-
- try {
- GeneratorExt generatorExt;
- if (generator instanceof GeneratorExt) {
- generatorExt = (GeneratorExt) generator;
- } else {
- generatorExt = GeneratorExtWrapper.newInstance(generator);
- }
-
- RebindResult result;
- result = generatorExt.generateIncrementally(logger, this, typeName);
-
- if (loggable) {
- if (result.getResultStatus() == RebindStatus.USE_EXISTING) {
- msg = "Generator did not return a new class, type will be used as is";
- } else {
- msg = "Generator returned class '" + result.getReturnedTypeName() + "'";
- }
- long after = System.currentTimeMillis();
- msg += "; in " + (after - before) + " ms";
- logger.log(TreeLogger.DEBUG, msg, null);
- }
- return result;
- } catch (AssertionError e) {
- // Catch and log the assertion as a convenience to the developer
- logger.log(TreeLogger.ERROR, "Generator '" + generatorClass.getName()
- + "' failed an assertion while rebinding '" + typeName + "'", e);
- throw new UnableToCompleteException();
- } catch (RuntimeException e) {
- logger.log(TreeLogger.ERROR, "Generator '" + generatorClass.getName()
- + "' threw an exception while rebinding '" + typeName + "'", e);
- throw new UnableToCompleteException();
- } finally {
- generatorEvent.end();
- }
- }
-
- /**
- * Set previously cached rebind result for currently active generator.
- */
- public void setCachedGeneratorResult(CachedRebindResult cachedRebindResult) {
- this.cachedRebindResult = cachedRebindResult;
- }
-
- public void setCurrentGenerator(Class<? extends Generator> currentGenerator) {
- this.currentGenerator = currentGenerator;
- }
-
- public void setGeneratorResultCachingEnabled(boolean enabled) {
- this.generatorResultCachingEnabled = enabled;
- }
-
- /**
- * Sets the current transient property oracle to answer current property
- * questions.
- */
- public void setPropertyOracle(PropertyOracle propOracle) {
- this.propOracle = propOracle;
- }
-
- public void setRebindRuleResolver(RebindRuleResolver resolver) {
- this.rebindRuleResolver = resolver;
- }
-
- public final PrintWriter tryCreate(TreeLogger logger, String packageName, String simpleTypeName) {
- String typeName;
- if (packageName.length() == 0) {
- typeName = simpleTypeName;
- } else {
- typeName = packageName + '.' + simpleTypeName;
- }
- // Is type already known to the host?
- JClassType existingType = getTypeOracle().findType(packageName, simpleTypeName);
- if (existingType != null) {
- if (logger.isLoggable(TreeLogger.DEBUG)) {
- logger.log(TreeLogger.DEBUG, "Type '" + typeName
- + "' already exists and will not be re-created ", null);
- }
- return null;
- }
-
- // Type recently generated?
- if (newlyGeneratedTypeNames.contains(typeName)) {
- return null;
- }
-
- // The type isn't there, so we can let the caller create it. Remember that
- // it is pending so another attempt to create the same type will fail.
- Generated gcup;
- StringWriter sw = new StringWriter();
- PrintWriter pw = new PrintWriter(sw, true) {
- /**
- * Overridden to force unix-style line endings for consistent behavior
- * across platforms.
- */
- @Override
- public void println() {
- super.print('\n');
- super.flush();
- }
- };
- if (this.genDir == null) {
- gcup = new GeneratedUnitImpl(sw, typeName);
- } else {
- File dir = new File(genDir, packageName.replace('.', File.separatorChar));
- // No need to check mkdirs result because an IOException will occur anyway
- dir.mkdirs();
- File srcFile = new File(dir, simpleTypeName + ".java");
- if (srcFile.exists()) {
- srcFile.delete();
- }
- gcup = new GeneratedUnitWithFile(srcFile, sw, typeName);
- }
- uncommittedGeneratedCupsByPrintWriter.put(pw, gcup);
- newlyGeneratedTypeNames.add(typeName);
- return pw;
- }
-
- public OutputStream tryCreateResource(TreeLogger logger, String partialPath)
- throws UnableToCompleteException {
-
- logger =
- logger.branch(TreeLogger.DEBUG, "Preparing pending output resource '" + partialPath + "'",
- null);
-
- // Disallow null or empty names.
- if (partialPath == null || partialPath.trim().equals("")) {
- logger.log(TreeLogger.ERROR, "The resource name must be a non-empty string", null);
- throw new UnableToCompleteException();
- }
-
- // Disallow absolute paths.
- if (new File(partialPath).isAbsolute()) {
- logger
- .log(
- TreeLogger.ERROR,
- "Resource paths are intended to be relative to the compiled output directory and cannot be absolute",
- null);
- throw new UnableToCompleteException();
- }
-
- // Disallow backslashes (to promote consistency in calling code).
- if (partialPath.indexOf('\\') >= 0) {
- logger.log(TreeLogger.ERROR,
- "Resource paths must contain forward slashes (not backslashes) to denote subdirectories",
- null);
- throw new UnableToCompleteException();
- }
-
- // Check for public path collision.
- if (module.findPublicFile(partialPath) != null) {
- logger.log(TreeLogger.WARN, "Cannot create resource '" + partialPath
- + "' because it already exists on the public path", null);
- return null;
- }
-
- // See if the file is already committed.
- SortedSet<GeneratedResource> resources = allGeneratedArtifacts.find(GeneratedResource.class);
- for (GeneratedResource resource : resources) {
- if (partialPath.equals(resource.getPartialPath())) {
- return null;
- }
- }
-
- // See if the file is pending.
- if (pendingResources.containsKey(partialPath)) {
- // It is already pending.
- logger.log(TreeLogger.WARN, "The file '" + partialPath + "' is already a pending resource",
- null);
- return null;
- }
- PendingResource pendingResource = new PendingResource(partialPath);
- pendingResources.put(partialPath, pendingResource);
- return pendingResource;
- }
-
- private void abortUncommittedResources(TreeLogger logger) {
- if (pendingResources.isEmpty()) {
- // Nothing to do.
- return;
- }
-
- // Warn the user about uncommitted resources.
- logger =
- logger
- .branch(
- TreeLogger.WARN,
- "The following resources will not be created because they were never committed (did you forget to call commit()?)",
- null);
-
- for (Entry<String, PendingResource> entry : pendingResources.entrySet()) {
- logger.log(TreeLogger.WARN, entry.getKey());
- entry.getValue().abort();
- }
- pendingResources.clear();
- }
-}