Remove fling, deftserver (used only by fling), and commons-codec

client/fling/src/java/core/com/google/dart/CompileService.java

Index: client/fling/src/java/core/com/google/dart/CompileService.java
===================================================================
--- client/fling/src/java/core/com/google/dart/CompileService.java	(revision 3853)
+++ client/fling/src/java/core/com/google/dart/CompileService.java	(working copy)
@@ -1,274 +0,0 @@
-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-package com.google.dart;
-
-import com.google.common.collect.Lists;
-import com.google.common.collect.Maps;
-import com.google.dart.compiler.CompilerConfiguration;
-import com.google.dart.compiler.DartArtifactProvider;
-import com.google.dart.compiler.DartCompilationError;
-import com.google.dart.compiler.DartCompiler;
-import com.google.dart.compiler.DartCompilerListener;
-import com.google.dart.compiler.DefaultCompilerConfiguration;
-import com.google.dart.compiler.ErrorSeverity;
-import com.google.dart.compiler.LibrarySource;
-import com.google.dart.compiler.Source;
-import com.google.dart.compiler.UrlLibrarySource;
-import com.google.dart.compiler.backend.js.JavascriptBackend;
-
-import java.io.File;
-import java.io.IOException;
-import java.io.Reader;
-import java.io.StringReader;
-import java.io.StringWriter;
-import java.io.Writer;
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.util.List;
-import java.util.Map;
-
-/**
- * Your one stop service for invoking the {@link DartCompiler} on an in-memory request.
- */
-public class CompileService {
-  /**
-   * An in-memory {@link DartArtifactProvider}. This can be returned as a
-   * {@link ThreadSafeArtifacts} to provide an immutable cache of artifacts.
-   */
-  private static class Artifacts extends DartArtifactProvider implements
-      ThreadSafeArtifacts {
-
-    private static String keyFor(Source source, String extension) {
-      return source.getName() + "|" + extension;
-    }
-    private final ThreadSafeArtifacts snapshot;
-
-    private final Map<String, Map<String, String>> artifacts = Maps.newHashMap();
-
-    public Artifacts(ThreadSafeArtifacts snapshot) {
-      this.snapshot = snapshot;
-    }
-
-    @Override
-    public String getArtifact(Source source, String part, String extension) {
-      // First check the snapshot for the artifact.
-      final String fromSnapshot = (snapshot != null)
-          ? snapshot.getArtifact(source, part, extension)
-          : null;
-      if (fromSnapshot != null) {
-        return fromSnapshot;
-      }
-
-      // Next check the local artifacts.
-      final Map<String, String> parts = artifacts.get(keyFor(source, extension));
-      return parts == null ? null : parts.get(part);
-    }
-
-    @Override
-    public Reader getArtifactReader(Source source, String part, String extension)
-        throws IOException {
-      final String artifact = getArtifact(source, part, extension);
-      return artifact == null ? null : new StringReader(artifact);
-    }
-
-    @Override
-    public URI getArtifactUri(Source source, String part, String extension) {
-      return uriFor(part.isEmpty()
-          ? source.getName() + "." + extension
-          : source.getName() + "$" + part + "." + extension);
-    }
-
-    @Override
-    public Writer getArtifactWriter(final Source source, final String part,
-        final String extension) throws IOException {
-      return new StringWriter() {
-        @Override
-        public void close() throws IOException {
-          super.close();
-          putArtifact(source, part, extension, toString());
-        }
-      };
-    }
-
-    public String getJavaScriptFor(Source source) {
-      return getArtifact(source, "", JavascriptBackend.EXTENSION_APP_JS);
-    }
-
-    @Override
-    public boolean hasArtifactsFor(Source source, String extension) {
-      return (snapshot != null && snapshot.hasArtifactsFor(source, extension))
-          || artifacts.containsKey(keyFor(source, extension));
-    }
-
-    @Override
-    public boolean isOutOfDate(Source source, Source base, String extension) {
-      return !hasArtifactsFor(base, extension);
-    }
-
-    private void putArtifact(Source source, String part, String extension,
-        String data) {
-      final String key = keyFor(source, extension);
-      Map<String, String> parts = artifacts.get(key);
-      if (parts == null) {
-        parts = Maps.newHashMap();
-        artifacts.put(key, parts);
-      }
-      parts.put(part, data);
-    }
-  }
-
-  /**
-   * Captures the errors and warnings during a compiler run.
-   */
-  private static class Listener extends DartCompilerListener.Empty {
-
-    private final List<CompileError> errors = Lists.newArrayList();
-
-    private final List<CompileError> warnings = Lists.newArrayList();
-
-    @Override
-    public void onError(DartCompilationError error) {
-      if (error.getErrorCode().getErrorSeverity() == ErrorSeverity.ERROR) {
-        errors.add(CompileError.from(error));
-      } else {
-        warnings.add(CompileError.from(error));
-      }
-    }
-  }
-
-  /**
-   * Provides an immutable view of an Artifact provider. This allows
-   * {@link Artifacts} to be built and then referenced as an immutable
-   * (thread-safe) cache of compilation artifacts. The only reason this
-   * interface exists is to help prevent concurrency bugs because if you mutate
-   * it during a compile ... oof.
-   */
-  private interface ThreadSafeArtifacts {
-    String getArtifact(Source source, String part, String extension);
-
-    boolean hasArtifactsFor(Source source, String extension);
-  }
-
-  private final static String FAKE_NAME = "tator";
-
-  public static CompileService create() {
-    return create(false);
-  }
-
-  public static CompileService create(LibrarySource lib) {
-    return create(lib, false);
-  }
-
-  public static CompileService create(boolean useCheckedMode) {
-    final CompilerConfiguration config = config(true, useCheckedMode);
-    final LibrarySource lib = config.getSystemLibraryFor("dart:core");
-    return new CompileService(buildArtifactsFor(config, lib), lib, useCheckedMode);
-  }
-
-  public static CompileService create(LibrarySource lib, boolean useCheckedMode) {
-    final CompilerConfiguration config = config(true, useCheckedMode);
-    return new CompileService(buildArtifactsFor(config, lib), lib, useCheckedMode);
-  }
-
-  private static ThreadSafeArtifacts buildArtifactsFor(CompilerConfiguration config, LibrarySource lib) {
-    // TODO(knorton): This needs a better way to communicate build errors.
-    try {
-      final Artifacts snapshot = new Artifacts(null);
-      DartCompiler.compileLib(lib,
-          config,
-          snapshot,
-          new DartCompilerListener.Empty() {
-            @Override
-            public void onError(DartCompilationError error) {
-              throw new RuntimeException("Unable to build runtime lib: " + error);
-            }
-          });
-      return snapshot;
-    } catch (IOException e) {
-      throw new RuntimeException(e);
-    }
-
-  }
-
-  private static CompilerConfiguration config(final boolean incremental, final boolean checked) {
-    return new DefaultCompilerConfiguration() {
-      @Override
-      public boolean incremental() {
-        return incremental;
-      }
-
-      @Override
-      public boolean shouldWarnOnNoSuchType() {
-        return true;
-      }
-
-      @Override
-      public boolean developerModeChecks() {
-        return checked;
-      }
-    };
-  }
-
-  private final ThreadSafeArtifacts artifactCache;
-
-  private final LibrarySource runtimeLibrary;
-
-  private final boolean useCheckedMode;
-
-  private CompileService(ThreadSafeArtifacts artifactCache, LibrarySource runtimeLibrary,
-      boolean useCheckedMode) {
-    this.artifactCache = artifactCache;
-    this.runtimeLibrary = runtimeLibrary;
-    this.useCheckedMode = useCheckedMode;
-  }
-
-  public CompileResult build(File appFile) {
-    return build(new UrlLibrarySource(appFile));
-  }
-
-  /**
-   * Compiles a Dart app comprised of source code and a declared entryPoint.
-   *
-   * NOTE: This method is intended to be thread-safe. All mutable state will
-   * be thread local. Only the artifactCache is shared and it is intentionally
-   * immutable.
-   */
-  public CompileResult build(String source) {
-    // Create the libary for the app.
-    final LibraryFromSources app = new LibraryFromSources(FAKE_NAME, runtimeLibrary);
-    app.addSource(new SourceFromString(app, FAKE_NAME + ".dart", source));
-    return build(app);
-  }
-
-  static URI uriFor(String relPath) {
-    try {
-      return new URI(null, relPath, null);
-    } catch (URISyntaxException e) {
-      throw new RuntimeException(e);
-    }
-  }
-
-  private CompileResult build(LibrarySource source) {
-    final Listener listener = new Listener();
-    final Artifacts artifacts = new Artifacts(artifactCache);
-
-    final long startedAt = System.currentTimeMillis();
-    try {
-      DartCompiler.compileLib(source,
-          config(true, useCheckedMode),
-          artifacts,
-          listener);
-      return new CompileResult(artifacts.getJavaScriptFor(source),
-          listener.errors,
-          listener.warnings,
-          System.currentTimeMillis() - startedAt);
-    } catch (Throwable e) {
-      return new CompileResult(listener.errors,
-          listener.warnings,
-          e,
-          System.currentTimeMillis() - startedAt);
-    }
-  }
-}