Example usage for com.google.gwt.core.ext.typeinfo JClassType findConstructor

List of usage examples for com.google.gwt.core.ext.typeinfo JClassType findConstructor

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Introduction

In this page you can find the example usage for com.google.gwt.core.ext.typeinfo JClassType findConstructor.

Prototype

JConstructor findConstructor(JType[] paramTypes);

Source Link

Usage

From source file:com.github.ludorival.dao.gwt.rebind.EntityManagerGenerator.java

License:Apache License

private boolean isInstantiable(JClassType type, TreeLogger logger) {
    JConstructor[] constructors = type.getConstructors();
    if (constructors == null || constructors.length == 0)
        return true;
    JConstructor constructor = type.findConstructor(new JType[0]);
    if (constructor == null)
        return false;
    if (constructor.isPublic())
        return true;

    return false;
}

From source file:com.google.gwt.testing.easygwtmock.rebind.MocksControlGenerator.java

License:Apache License

/**
 * Generates the concrete MocksControl implementation of the {@code typeName} interface and 
 * delegates generation of mock classes to
 * {@link com.google.gwt.testing.easygwtmock.rebind.MocksGenerator}
 *//*from www  .ja  v a2s  .  c  o m*/
@Override
public String generate(TreeLogger logger, GeneratorContext context, String typeName)
        throws UnableToCompleteException {

    TypeOracle typeOracle = context.getTypeOracle();
    JClassType mockControlInterface = typeOracle.findType(typeName);

    if (mockControlInterface == null) {
        logger.log(TreeLogger.ERROR, "Unable to find metadata for type '" + typeName + "'", null);
        throw new UnableToCompleteException();
    }

    if (mockControlInterface.isInterface() == null) {
        logger.log(TreeLogger.ERROR, mockControlInterface.getQualifiedSourceName() + " is not an interface",
                null);
        throw new UnableToCompleteException();
    }

    JPackage interfacePackage = mockControlInterface.getPackage();
    String packageName = interfacePackage == null ? "" : interfacePackage.getName();
    String newClassName = mockControlInterface.getName().replace(".", "_") + "Impl";
    String fullNewClassName = packageName + "." + newClassName;

    PrintWriter printWriter = context.tryCreate(logger, packageName, newClassName);
    if (printWriter == null) {
        // We generated this before.
        return fullNewClassName;
    }

    ClassSourceFileComposerFactory composer = new ClassSourceFileComposerFactory(packageName, newClassName);
    composer.setSuperclass(MocksControlBase.class.getCanonicalName());
    composer.addImplementedInterface(mockControlInterface.getQualifiedSourceName());

    SourceWriter writer = composer.createSourceWriter(context, printWriter);
    writer.println();

    MocksGenerator mocksGenerator = new MocksGenerator(context, logger);
    JClassType markerInterface = typeOracle.findType(MocksControl.class.getCanonicalName());

    Set<String> reservedNames = getMethodNames(composer.getSuperclassName(), logger, typeOracle);

    // Report one error per method in the control interface. They are likely to be independent,
    // so it's a bit nicer for the user.
    boolean failed = false;
    for (JMethod method : mockControlInterface.getOverridableMethods()) {
        if (method.getEnclosingType().equals(markerInterface)) {
            // Method is implemented in MocksControlBase
            continue;
        }

        if (reservedNames.contains(method.getName())) {
            // Method name is already used in base class and method should not be overwritten!
            logger.log(TreeLogger.ERROR,
                    method.getName()
                            + " is a reserved name. Do not use it in the extended MocksControl interface",
                    null);
            failed = true;
            continue;
        }

        JClassType typeToMock = method.getReturnType().isClassOrInterface();

        if (typeToMock == null) {
            logger.log(TreeLogger.ERROR,
                    method.getReturnType().getQualifiedSourceName() + " is not an interface or a class", null);
            failed = true;
            continue;
        }

        if (typeToMock.isInterface() != null) {

            if (method.getParameterTypes().length != 0) {
                String methodName = mockControlInterface.getSimpleSourceName() + "." + method.getName();
                logger.log(TreeLogger.ERROR,
                        "This method should not have parameters because it creates Ua mock of an interface: "
                                + methodName,
                        null);
                failed = true;
                continue;
            }

        } else {

            JConstructor constructorToCall = typeToMock.findConstructor(method.getParameterTypes());
            if (constructorToCall == null) {
                String methodName = mockControlInterface.getSimpleSourceName() + "." + method.getName();
                logger.log(TreeLogger.ERROR, "Cannot find matching constructor to call for " + methodName,
                        null);
                failed = true;
                continue;
            }
        }

        String mockClassName = mocksGenerator.generateMock(typeToMock);

        printFactoryMethod(writer, method, mockControlInterface, mockClassName);
    }

    if (failed) {
        throw new UnableToCompleteException();
    }

    writer.commit(logger);
    return fullNewClassName;
}

From source file:com.smartgwt.rebind.BeanValueType.java

License:Open Source License

public BeanValueType(JType valueType, TypeOracle oracle) {
    this.valueType = valueType;
    this.oracle = oracle;

    JClassType classType = valueType.isClass();
    if (classType != null) {
        jsObjConstructor = classType
                .findConstructor(new JType[] { findType(com.google.gwt.core.client.JavaScriptObject.class) });

        isAbstract = classType.isAbstract();

        JMethod getRef = classType.findMethod("getOrCreateRef",
                new JType[] { findType(com.google.gwt.core.client.JavaScriptObject.class) });
        hasGetOrCreateRef = getRef != null && getRef.isStatic();
    }//from   w ww .ja  v a2s. co m

    initializeBeanValueType();
    assert beanValueType != null;
    assert genericType != null;

    // If the constructor doesn't take an empty array, then check if it
    // wants a class literal (it's one or the other, or neither).
    if (!constructorTakesEmptyArray) {
        JConstructor noArgConstructor = beanValueType.findConstructor(new JType[] {});
        constructorTakesClassLiteral = noArgConstructor == null;
    }
}

From source file:com.smartgwt.rebind.CanvasMetaBeanFactoryGenerator.java

License:Open Source License

private boolean isEligibleForGeneration(JClassType classType) {
    // Abstract classses will probably be generated as superclasses anyway, but
    // we don't need to generate them from here.
    if (classType.isAbstract())
        return false;

    // Don't try to generate for classes declared private, since it won't work
    if (classType.isPrivate())
        return false;

    // We only generate factories for classes that have a no-arg constructor
    JConstructor constructor = classType.findConstructor(new JType[] {});
    if (constructor == null)
        return false;

    return true;/*w  w w  . j  av a  2s. com*/
}

From source file:fr.onevu.gwt.uibinder.elementparsers.ImageParser.java

License:Apache License

private boolean hasImageResourceConstructor(TypeOracle typeOracle, JClassType type) {
    JType imageResourceType = typeOracle.findType(ImageResource.class.getName());
    return type.findConstructor(new JType[] { imageResourceType }) != null;
}

From source file:fr.onevu.gwt.uibinder.elementparsers.NumberLabelParser.java

License:Apache License

private boolean hasNumberFormatConstructor(TypeOracle typeOracle, JClassType type) {
    JType numberFormatType = typeOracle.findType(NumberFormat.class.getName());
    return type.findConstructor(new JType[] { numberFormatType }) != null;
}

From source file:fr.onevu.gwt.uibinder.rebind.AbstractFieldWriter.java

License:Apache License

public void write(IndentedWriter w) throws UnableToCompleteException {
    if (written) {
        return;/*from   w ww.  ja  va 2  s .  c  o m*/
    }

    for (FieldWriter f : needs) {
        f.write(w);
    }

    if (initializer == null) {
        JClassType type = getInstantiableType();
        if (type != null) {
            if ((type.isInterface() == null) && (type.findConstructor(new JType[0]) == null)) {
                logger.die(NO_DEFAULT_CTOR_ERROR, type.getQualifiedSourceName(), type.getName());
            }
        }
    }

    if (null == initializer) {
        initializer = String.format("(%1$s) GWT.create(%1$s.class)", getQualifiedSourceName());
    }

    w.write("%s %s = %s;", getQualifiedSourceName(), name, initializer);

    this.written = true;
}

From source file:fr.onevu.gwt.uibinder.rebind.AbstractFieldWriter.java

License:Apache License

@Override
public void writeFieldDefinition(IndentedWriter w, TypeOracle typeOracle, OwnerClass ownerClass,
        FieldWriter field, DesignTimeUtils designTime, int getterCount, boolean useLazyWidgetBuilders)
        throws UnableToCompleteException {
    OwnerField ownerField = ownerClass.getUiField(field.getName());

    JClassType renderablePanelType = typeOracle.findType(RenderablePanel.class.getName());
    boolean outputAttachDetachCallbacks = useLazyWidgetBuilders && getAssignableType() != null
            && getAssignableType().isAssignableTo(renderablePanelType);

    // Check initializer. Provided value takes precedence over initializer.
    if (ownerField != null && ownerField.isProvided()) {
        initializer = String.format("owner.%s", name);
    } else if (initializer == null) {
        JClassType type = getInstantiableType();
        if (type != null) {
            if ((type.isInterface() == null) && (type.findConstructor(new JType[0]) == null)) {
                logger.die(NO_DEFAULT_CTOR_ERROR, type.getQualifiedSourceName(), type.getName());
            }//from   www  .  jav  a2  s  .c o  m
        }
        initializer = generateInitilizerForField(typeOracle, ownerClass, field);
    }

    w.newline();
    w.write("/**");
    w.write(" * Getter for %s called %s times. Type: %s. Build precedence: %s.", name, getterCount,
            getFieldType(), getBuildPrecedence());
    w.write(" */");
    if (getterCount > 1) {
        w.write("private %1$s %2$s;", getQualifiedSourceName(), name);
    }

    w.write("private %s %s {", getQualifiedSourceName(), FieldManager.getFieldGetter(name));
    w.indent();
    w.write("return %s;", (getterCount > 1) ? name : FieldManager.getFieldBuilder(name));
    w.outdent();
    w.write("}");

    w.write("private %s %s {", getQualifiedSourceName(), FieldManager.getFieldBuilder(name));
    w.indent();

    w.write("// Creation section.");
    if (getterCount > 1) {
        w.write("%s = %s;", name, initializer);
    } else {
        w.write("final %s %s = %s;", getQualifiedSourceName(), name, initializer);
    }
    if (ownerField != null && ownerField.isProvided() && !designTime.isDesignTime()) {
        w.write("assert %1$s != null : \"UiField %1$s with 'provided = true' was null\";", name);
    }

    w.write("// Setup section.");
    for (String s : statements) {
        w.write(s);
    }

    String attachedVar = null;

    if (attachStatements.size() > 0) {
        w.newline();
        w.write("// Attach section.");
        if (outputAttachDetachCallbacks) {
            // TODO(rdcastro): This is too coupled with RenderablePanel.
            // Make this nicer.
            w.write("%s.wrapInitializationCallback = ", getName());
            w.indent();
            w.indent();
            w.write("new com.google.gwt.user.client.Command() {");
            w.outdent();
            w.write("@Override public void execute() {");
            w.indent();
        } else {
            attachedVar = getNextAttachVar();

            JClassType elementType = typeOracle.findType(Element.class.getName());

            String elementToAttach = getInstantiableType().isAssignableTo(elementType) ? name
                    : name + ".getElement()";

            w.write("UiBinderUtil.TempAttachment %s = UiBinderUtil.attachToDom(%s);", attachedVar,
                    elementToAttach);
        }

        for (String s : attachStatements) {
            w.write(s);
        }

        if (outputAttachDetachCallbacks) {
            w.outdent();
            w.write("}");
            w.outdent();
            w.write("};");
        }
    }

    w.newline();
    // If we forced an attach, we should always detach, regardless of whether
    // there are any detach statements.
    if (attachedVar != null) {
        w.write("// Detach section.");
        w.write("%s.detach();", attachedVar);
    }

    if (detachStatements.size() > 0) {
        if (outputAttachDetachCallbacks) {
            w.write("%s.detachedInitializationCallback = ", getName());
            w.indent();
            w.indent();
            w.write("new com.google.gwt.user.client.Command() {");
            w.outdent();
            w.write("@Override public void execute() {");
            w.indent();
        }

        for (String s : detachStatements) {
            w.write(s);
        }

        if (outputAttachDetachCallbacks) {
            w.outdent();
            w.write("}");
            w.outdent();
            w.write("};");
        }
    }

    if ((ownerField != null) && !ownerField.isProvided()) {
        w.newline();
        w.write("this.owner.%1$s = %1$s;", name);
    }

    w.newline();
    w.write("return %s;", name);
    w.outdent();
    w.write("}");
}

From source file:fr.onevu.gwt.uibinder.rebind.FieldWriterOfExistingType.java

License:Apache License

@Override
public void writeFieldDefinition(IndentedWriter w, TypeOracle typeOracle, OwnerClass ownerClass,
        FieldWriter field, DesignTimeUtils designTime, int getterCount, boolean useLazyWidgetBuilders)
        throws UnableToCompleteException {
    OwnerField ownerField = ownerClass.getUiField(field.getName());

    JClassType renderablePanelType = typeOracle.findType(RenderablePanel.class.getName());
    boolean outputAttachDetachCallbacks = useLazyWidgetBuilders && getAssignableType() != null
            && getAssignableType().isAssignableTo(renderablePanelType);

    // Check initializer. Provided value takes precedence over initializer.
    if (ownerField != null && ownerField.isProvided()) {
        initializer = String.format("owner.%s", name);
    } else if (initializer == null) {
        JClassType type = getInstantiableType();
        if (type != null) {
            if ((type.isInterface() == null) && (type.findConstructor(new JType[0]) == null)) {
                logger.die(NO_DEFAULT_CTOR_ERROR, type.getQualifiedSourceName(), type.getName());
            }//from w w  w. j  a  v  a 2s  . c  o m
        }
        initializer = generateInitilizerForField(typeOracle, ownerClass, field);
    }

    w.newline();
    w.write("/**");
    w.write(" * Getter for %s called %s times. Type: %s. Build precedence: %s.", name, getterCount,
            getFieldType(), getBuildPrecedence());
    w.write(" */");
    if (getterCount > 1) {
        w.write("private %1$s %2$s;", getQualifiedSourceName(), name);
    }

    w.write("private %s %s {", getQualifiedSourceName(), FieldManager.getFieldGetter(name));
    w.indent();
    w.write("return %s;", (getterCount > 1) ? name : FieldManager.getFieldBuilder(name));
    w.outdent();
    w.write("}");

    w.write("private %s %s {", getQualifiedSourceName(), FieldManager.getFieldBuilder(name));
    w.indent();

    w.write("// Creation section.");
    if (getterCount > 1) {
        w.write("%s = %s;", name, initializer);
    } else {
        w.write("final %s %s = %s;", getQualifiedSourceName(), name, initializer);
    }
    if (ownerField != null && ownerField.isProvided() && !designTime.isDesignTime()) {
        w.write("assert %1$s != null : \"UiField %1$s with 'provided = true' was null\";", name);
    }

    addNullCheck(w, field);
    w.write("// Setup section.");
    for (String s : statements) {
        w.write(s);
    }
    w.write(generateAfterStatementsForField(typeOracle, ownerClass, field));
    afterNullCheck(w, field);

    String attachedVar = null;

    if (attachStatements.size() > 0) {
        w.newline();
        w.write("// Attach section.");
        if (outputAttachDetachCallbacks) {
            // TODO(rdcastro): This is too coupled with RenderablePanel.
            // Make this nicer.
            w.write("%s.wrapInitializationCallback = ", getName());
            w.indent();
            w.indent();
            w.write("new com.google.gwt.user.client.Command() {");
            w.outdent();
            w.write("@Override public void execute() {");
            w.indent();
        } else {
            attachedVar = getNextAttachVar();

            JClassType elementType = typeOracle.findType(Element.class.getName());

            String elementToAttach = getInstantiableType().isAssignableTo(elementType) ? name
                    : name + ".getElement()";

            w.write("UiBinderUtil.TempAttachment %s = UiBinderUtil.attachToDom(%s);", attachedVar,
                    elementToAttach);
        }

        for (String s : attachStatements) {
            w.write(s);
        }

        if (outputAttachDetachCallbacks) {
            w.outdent();
            w.write("}");
            w.outdent();
            w.write("};");
        }
    }

    w.newline();
    // If we forced an attach, we should always detach, regardless of whether
    // there are any detach statements.
    if (attachedVar != null) {
        w.write("// Detach section.");
        w.write("%s.detach();", attachedVar);
    }

    if (detachStatements.size() > 0) {
        if (outputAttachDetachCallbacks) {
            w.write("%s.detachedInitializationCallback = ", getName());
            w.indent();
            w.indent();
            w.write("new com.google.gwt.user.client.Command() {");
            w.outdent();
            w.write("@Override public void execute() {");
            w.indent();
        }

        for (String s : detachStatements) {
            w.write(s);
        }

        if (outputAttachDetachCallbacks) {
            w.outdent();
            w.write("}");
            w.outdent();
            w.write("};");
        }
    }

    if ((ownerField != null) && !ownerField.isProvided()) {
        w.newline();
        w.write("this.owner.%1$s = %1$s;", name);
    }

    w.newline();
    w.write("return %s;", name);
    w.outdent();
    w.write("}");
}

From source file:org.cruxframework.crux.core.rebind.rest.JSonSerializerProxyCreator.java

License:Apache License

private void generateDecodeStringForCustomType(SourcePrinter srcWriter, JClassType objectType,
        String jsonValueVar, String resultObjectVar, String resultSourceName) {
    JsonSubTypes jsonSubTypesClass = objectType.getAnnotation(JsonSubTypes.class);
    boolean hasJsonSubTypes = jsonSubTypesClass != null && jsonSubTypesClass.value() != null;
    if (hasJsonSubTypes) {
        boolean first = true;
        for (Type innerObject : jsonSubTypesClass.value()) {
            if (!first) {
                srcWriter.println("else ");
            }/*from w w w  .  j a  v  a  2s. co  m*/
            first = false;
            srcWriter.println("if (" + StringUtils.class.getCanonicalName() + ".unsafeEquals(" + jsonValueVar
                    + ".isObject().get(" + EscapeUtils.quote(JsonSubTypes.SUB_TYPE_SELECTOR)
                    + ").isString().stringValue()," + EscapeUtils.quote(innerObject.value().getName()) + ")){");
            JClassType innerClass = context.getTypeOracle().findType(innerObject.value().getCanonicalName());
            String serializerName = getSerializerForType(innerClass);
            srcWriter
                    .println(resultObjectVar + " = new " + serializerName + "().decode(" + jsonValueVar + ");");
            srcWriter.println("}");
        }
        if (!first) {
            srcWriter.println("else ");
        }
        srcWriter.println("if (" + StringUtils.class.getCanonicalName() + ".unsafeEquals(" + jsonValueVar
                + ".isObject().get(" + EscapeUtils.quote(JsonSubTypes.SUB_TYPE_SELECTOR)
                + ").isString().stringValue()," + EscapeUtils.quote(objectType.getQualifiedSourceName())
                + ")){");
        srcWriter
                .println(resultObjectVar + " = GWT.create(" + objectType.getQualifiedSourceName() + ".class);");
    }

    String jsonObjectVar = nameFactory.createName("jsonObject");
    srcWriter.println("JSONObject " + jsonObjectVar + " = " + jsonValueVar + ".isObject();");
    if (objectType.isAssignableTo(exceptionType)
            && objectType.findConstructor(new JType[] { stringType }) != null) {
        srcWriter.println("if (" + jsonObjectVar + ".containsKey(\"message\")){");
        srcWriter.println(resultObjectVar + " = new " + resultSourceName + "((" + jsonObjectVar
                + ".get(\"message\") != null && " + jsonObjectVar + ".get(\"message\").isString() != null) ? "
                + jsonObjectVar + ".get(\"message\").isString().stringValue() : \"\");");
        srcWriter.println("} else {");
        srcWriter
                .println(resultObjectVar + " = GWT.create(" + objectType.getQualifiedSourceName() + ".class);");
        srcWriter.println("}");
    } else {
        if (!hasJsonSubTypes) {
            srcWriter.println(
                    resultObjectVar + " = GWT.create(" + objectType.getQualifiedSourceName() + ".class);");
        }
    }

    List<JMethod> setterMethods = JClassUtils.getSetterMethods(objectType);
    srcWriter.println("if (" + jsonObjectVar + " != null) {");
    for (JMethod method : setterMethods) {
        if (method.getAnnotation(JsonIgnore.class) == null) {
            String property = null;
            JsonProperty jsonProperty = method.getAnnotation(JsonProperty.class);
            if (jsonProperty != null) {
                property = jsonProperty.value();

            } else {
                property = JClassUtils.getPropertyForGetterOrSetterMethod(method);
            }
            JType paramType = method.getParameterTypes()[0];
            String serializerName = getSerializerForType(paramType);
            srcWriter.println(resultObjectVar + "." + method.getName() + "(new " + serializerName + "().decode("
                    + jsonObjectVar + ".get(" + EscapeUtils.quote(property) + ")));");
        }
    }

    if (hasJsonSubTypes) {
        srcWriter.println("}");
    }
    srcWriter.println("}");
}