drop old backends

plugins/org.chromium.sdk.wipbackend.wk120709/src/org/chromium/sdk/internal/wip/WipEvaluateContextBase.java

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-package org.chromium.sdk.internal.wip;
-
-import java.util.LinkedHashMap;
-import java.util.Map;
-
-import org.chromium.sdk.CallbackSemaphore;
-import org.chromium.sdk.JsEvaluateContext;
-import org.chromium.sdk.JsObject;
-import org.chromium.sdk.JsValue;
-import org.chromium.sdk.JsVariable;
-import org.chromium.sdk.RelayOk;
-import org.chromium.sdk.RemoteValueMapping;
-import org.chromium.sdk.SyncCallback;
-import org.chromium.sdk.internal.JsEvaluateContextBase;
-import org.chromium.sdk.internal.wip.WipExpressionBuilder.ValueNameBuilder;
-import org.chromium.sdk.internal.wip.WipValueBuilder.JsValueBase;
-import org.chromium.sdk.internal.wip.WipValueBuilder.SerializableValue;
-import org.chromium.sdk.internal.wip.protocol.input.runtime.RemoteObjectValue;
-import org.chromium.sdk.internal.wip.protocol.output.WipParamsWithResponse;
-import org.chromium.sdk.internal.wip.protocol.output.runtime.CallArgumentParam;
-import org.chromium.sdk.util.GenericCallback;
-import org.chromium.sdk.util.MethodIsBlockingException;
-import org.chromium.sdk.wip.EvaluateToMappingExtension;
-import org.json.simple.JSONValue;
-
-/**
- * Basic implementation of the abstract {@link JsEvaluateContextBase}. Class leaves unimplemented
- * parts that deal with a particular context details (callframe or global) and particular protocol
- * message.
- * @param <DATA> type of protocol message response
- */
-abstract class WipEvaluateContextBase<DATA> extends JsEvaluateContextBase {
-
-  private final WipValueLoader valueLoader;
-
-  WipEvaluateContextBase(WipValueLoader valueLoader) {
-    this.valueLoader = valueLoader;
-  }
-
-  @Override
-  public RelayOk evaluateAsync(final String expression,
-      Map<String, ? extends JsValue> additionalContext, EvaluateCallback callback,
-      SyncCallback syncCallback) {
-
-    WipExpressionBuilder.ValueNameBuilder valueNameBuilder =
-        WipExpressionBuilder.createRootName(expression, true);
-
-    return evaluateAsync(expression, valueNameBuilder, additionalContext, valueLoader,
-        callback, syncCallback);
-  }
-
-  @Override
-  public PrimitiveValueFactory getValueFactory() {
-    return PRIMITIVE_VALUE_FACTORY;
-  }
-
-  RelayOk evaluateAsync(String expression, ValueNameBuilder valueNameBuidler,
-      Map<String, ? extends JsValue> additionalContext, EvaluateCallback callback,
-      SyncCallback syncCallback) {
-    return evaluateAsync(expression, valueNameBuidler, additionalContext, valueLoader,
-        callback, syncCallback);
-  }
-
-  private RelayOk evaluateAsync(String expression, final ValueNameBuilder valueNameBuidler,
-      Map<String, ? extends JsValue> additionalContext, WipValueLoader destinationValueLoaderParam,
-      final EvaluateCallback callback, SyncCallback syncCallback) {
-    Map<String, JsValueBase> internalAdditionalContext;
-    if (additionalContext == null) {
-      internalAdditionalContext = null;
-    } else {
-      internalAdditionalContext = new LinkedHashMap<String, JsValueBase>(additionalContext.size());
-      for (Map.Entry<String, ? extends JsValue> en : additionalContext.entrySet()) {
-        JsValueBase jsValueBase = JsValueBase.cast(en.getValue());
-        internalAdditionalContext.put(en.getKey(), jsValueBase);
-      }
-    }
-    return evaluateAsyncImpl(expression, valueNameBuidler, internalAdditionalContext,
-        destinationValueLoaderParam, callback, syncCallback);
-  }
-
-  RelayOk evaluateAsyncImpl(String expression, final ValueNameBuilder valueNameBuidler,
-      Map<String, ? extends SerializableValue> additionalContext,
-      WipValueLoader destinationValueLoaderParam,
-      final EvaluateCallback callback, SyncCallback syncCallback) {
-    if (destinationValueLoaderParam == null) {
-      destinationValueLoaderParam = valueLoader;
-    }
-    final WipValueLoader destinationValueLoader = destinationValueLoaderParam;
-    if (additionalContext != null && !additionalContext.isEmpty()) {
-      WipContextBuilder contextBuilder = valueLoader.getTabImpl().getContextBuilder();
-      EvaluateHack evaluateHack = contextBuilder.getEvaluateHack();
-      return evaluateHack.evaluateAsync(expression, valueNameBuidler, additionalContext,
-          destinationValueLoader, evaluateHackHelper, callback, syncCallback);
-    }
-
-    WipParamsWithResponse<DATA> params = createRequestParams(expression, destinationValueLoader);
-
-    GenericCallback<DATA> commandCallback;
-    if (callback == null) {
-      commandCallback = null;
-    } else {
-      commandCallback = new GenericCallback<DATA>() {
-        @Override
-        public void success(DATA data) {
-          ResultOrException resultOrException =
-              processResponse(data, destinationValueLoader, valueNameBuidler);
-          callback.success(resultOrException);
-        }
-        @Override
-        public void failure(Exception exception) {
-          callback.failure(exception);
-        }
-      };
-    }
-    WipCommandProcessor commandProcessor = valueLoader.getTabImpl().getCommandProcessor();
-    return commandProcessor.send(params, commandCallback, syncCallback);
-  }
-
-  private ResultOrException processResponse(DATA data, WipValueLoader destinationValueLoader,
-      ValueNameBuilder valueNameBuidler) {
-    RemoteObjectValue valueData = getRemoteObjectValue(data);
-
-    WipValueBuilder valueBuilder = destinationValueLoader.getValueBuilder();
-
-    final JsValue value = valueBuilder.wrap(valueData, valueNameBuidler.getQualifiedNameBuilder());
-
-    if (getWasThrown(data) == Boolean.TRUE) {
-      return new ResultOrException() {
-            @Override public JsValue getResult() {
-              return null;
-            }
-            @Override public JsValue getException() {
-              return value;
-            }
-            @Override public <R> R accept(Visitor<R> visitor) {
-              return visitor.visitException(value);
-            }
-          };
-    } else {
-      return new ResultOrException() {
-            @Override public JsValue getResult() {
-              return value;
-            }
-            @Override public JsValue getException() {
-              return null;
-            }
-            @Override public <R> R accept(Visitor<R> visitor) {
-              return visitor.visitResult(value);
-            }
-          };
-    }
-  }
-
-  private final EvaluateHack.EvaluateCommandHandler<DATA> evaluateHackHelper =
-      new EvaluateHack.EvaluateCommandHandler<DATA>() {
-    @Override
-    public WipParamsWithResponse<DATA> createRequest(
-        String patchedUserExpression, WipValueLoader destinationValueLoader) {
-      return createRequestParams(patchedUserExpression, destinationValueLoader);
-    }
-
-    @Override
-    public ResultOrException processResult(DATA response, WipValueLoader destinationValueLoader,
-        ValueNameBuilder valueNameBuidler) {
-      return processResponse(response, destinationValueLoader, valueNameBuidler);
-    }
-
-    @Override
-    public Exception processFailure(Exception cause) {
-      return cause;
-    }
-  };
-
-  protected abstract WipParamsWithResponse<DATA> createRequestParams(String expression,
-      WipValueLoader destinationValueLoader);
-
-  protected abstract RemoteObjectValue getRemoteObjectValue(DATA data);
-
-  protected abstract Boolean getWasThrown(DATA data);
-
-  static WipEvaluateContextBase<?> castArgument(JsEvaluateContext context) {
-    try {
-      return (WipEvaluateContextBase<?>) context;
-    } catch (ClassCastException e) {
-      throw new IllegalArgumentException("Incorrect evaluate context argument", e);
-    }
-  }
-
-  static final EvaluateToMappingExtension EVALUATE_TO_MAPPING_EXTENSION =
-      new EvaluateToMappingExtension() {
-    @Override
-    public void evaluateSync(JsEvaluateContext evaluateContext,
-        String expression, Map<String, ? extends JsValue> additionalContext,
-        RemoteValueMapping targetMapping, EvaluateCallback evaluateCallback)
-        throws MethodIsBlockingException {
-      CallbackSemaphore callbackSemaphore = new CallbackSemaphore();
-      RelayOk relayOk = evaluateAsync(evaluateContext, expression, additionalContext,
-          targetMapping, evaluateCallback, callbackSemaphore);
-      callbackSemaphore.acquireDefault(relayOk);
-    }
-
-    @Override
-    public RelayOk evaluateAsync(JsEvaluateContext evaluateContext,
-        String expression, Map<String, ? extends JsValue> additionalContext,
-        RemoteValueMapping targetMapping, EvaluateCallback evaluateCallback,
-        SyncCallback syncCallback) {
-      WipEvaluateContextBase<?> contextImpl =
-          WipEvaluateContextBase.castArgument(evaluateContext);
-      return contextImpl.evaluateAsync(expression, additionalContext,
-          evaluateCallback, syncCallback);
-    }
-  };
-
-  private static final PrimitiveValueFactory PRIMITIVE_VALUE_FACTORY =
-      new PrimitiveValueFactory() {
-    @Override
-    public JsValueBase getUndefined() {
-      return new JsValueBaseImpl(JsValue.Type.TYPE_UNDEFINED) {
-        @Override public String getValueString() {
-          return "undefined";
-        }
-        @Override public CallArgumentParam createCallArgumentParam() {
-          return new CallArgumentParam(false, null, null);
-        }
-      };
-    }
-
-    @Override
-    public JsValueBase getNull() {
-      return new JsValueBaseImpl(JsValue.Type.TYPE_NULL) {
-        @Override public String getValueString() {
-          return "null";
-        }
-        @Override public CallArgumentParam createCallArgumentParam() {
-          return new CallArgumentParam(true, null, null);
-        }
-      };
-    }
-
-    @Override
-    public JsValueBase createString(String value) {
-      return new SimpleValue(JsValue.Type.TYPE_STRING, value);
-    }
-
-    @Override
-    public JsValueBase createNumber(double value) {
-      return new SimpleValue(JsValue.Type.TYPE_NUMBER, value);
-    }
-
-    @Override
-    public JsValueBase createNumber(long value) {
-      return new SimpleValue(JsValue.Type.TYPE_NUMBER, value);
-    }
-
-    @Override
-    public JsValueBase createNumber(final String stringRepresentation) {
-      return new JsValueBaseImpl(JsValue.Type.TYPE_STRING) {
-        @Override public String getValueString() {
-          return stringRepresentation;
-        }
-        @Override public CallArgumentParam createCallArgumentParam() {
-          return new CallArgumentParam(true, JSONValue.parse(stringRepresentation), null);
-        }
-      };
-    }
-
-    @Override
-    public JsValueBase createBoolean(boolean value) {
-      return new SimpleValue(JsValue.Type.TYPE_BOOLEAN, value);
-    }
-
-    abstract class JsValueBaseImpl extends JsValueBase {
-      private final Type type;
-      JsValueBaseImpl(Type type) {
-        this.type = type;
-      }
-      @Override public Type getType() {
-        return type;
-      }
-      @Override public JsObject asObject() {
-        return null;
-      }
-      @Override public boolean isTruncated() {
-        return false;
-      }
-      @Override public RelayOk reloadHeavyValue(ReloadBiggerCallback callback,
-          SyncCallback syncCallback) {
-        throw new UnsupportedOperationException();
-      }
-      @Override public String getRefId() {
-        return null;
-      }
-    }
-
-    class SimpleValue extends JsValueBaseImpl {
-      private final Object value;
-      SimpleValue(Type type, Object value) {
-        super(type);
-        this.value = value;
-      }
-      @Override public String getValueString() {
-        return value.toString();
-      }
-      @Override public CallArgumentParam createCallArgumentParam() {
-        return new CallArgumentParam(true, value, null);
-      }
-    }
-  };
-}