Java Doc for JsValue.java in  » Ajax » GWT » com » google » gwt » dev » shell » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Ajax » GWT » com.google.gwt.dev.shell   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    com.google.gwt.dev.shell.JsValue All known Subclasses:   com.google.gwt.dev.shell.ie.JsValueIE6,  com.google.gwt.dev.shell.mac.JsValueSaf,  com.google.gwt.dev.shell.moz.JsValueMoz, JsValue abstract public class JsValue (Code) Represents a JavaScript value. Note that in general the various get*() methods will return platform-independent values only if the corresponding is*() method returns true. In some cases, an IllegalStateException may be thrown if the JavaScript value is not of the appropriate type or bogus values may be returned. Note that getString will try very hard to return a reasonable result for any value, but it is intended only for human consumption and the exact format for anything besides a string value cannot be relied upon. Inner Class :protected interface JsCleanup Method Summary abstract protected  JsCleanup createCleanupObject()      Create an object which frees the underlying JS resource. final protected  void finalize()      When the Java object is garbage-collected, make sure the associated JS resource is freed. abstract public  boolean getBoolean()      Get the value of the object as a boolean. abstract public  int getInt()      Get the value of the object as an integer. abstract public  double getNumber()      Get the value of the object as a double. abstract public  String getString()      Get the value of the object as a string. abstract public  String getTypeString()      Returns a human-readable string describing the type of the JS object. abstract public  Object getWrappedJavaObject()      Unwrap a wrapped Java object. abstract public  boolean isBoolean()      Returns true if the JS value is a boolean. abstract public  boolean isInt()      Returns true if getInt() can be used on this value. abstract public  boolean isJavaScriptObject()      Returns true if the JS value is a native JS object. abstract public  boolean isNull()      Returns true if the JS value is null. abstract public  boolean isNumber()      Returns true if the JS value is a numeric type. abstract public  boolean isString()      Returns true if the JS value is a string. abstract public  boolean isUndefined()      Returns true if the JS value is undefined (void). abstract public  boolean isWrappedJavaObject()      Returns true if the JS value is a wrapped Java object. public static  void mainThreadCleanup()      The main thread should call this from time to time to release hosted-mode objects that Java is no longer referencing. abstract public  void setBoolean(boolean val)      Sets the JS object to be a boolean value. abstract public  void setByte(byte val)      Sets the JS object to be a number, passed as an byte. abstract public  void setChar(char val)      Sets the JS object to be a number, passed as a char. abstract public  void setDouble(double val)      Sets the JS object to be a number, passed as a double. abstract public  void setInt(int val)      Sets the JS object to be a number, passed as an int. abstract public  void setNull()      Set the JS object to be null. abstract public  void setShort(short val)      Sets the JS object to be a number, passed as a short. abstract public  void setString(String val)      Set the JS object to the supplied string. abstract public  void setUndefined()      Set the JS object to be undefined (void). abstract public  void setValue(JsValue other)      Make this JsValue refer to the same underlying object as another JsValue. abstract public  void setWrappedJavaObject(CompilingClassLoader cl, T val)      Set the JS object to the supplied object, which will be wrapped in a platform-dependent JavaScript class. public  String toString()      Produce a string representation of the JsValue. Method Detail createCleanupObject abstract protected JsCleanup createCleanupObject()(Code) Create an object which frees the underlying JS resource. a JsCleanup object which will free the underlying JS resource finalize final protected void finalize() throws Throwable(Code) When the Java object is garbage-collected, make sure the associated JS resource is freed. A helper object is used to avoid issues with resurrecting this object. getBoolean abstract public boolean getBoolean()(Code) Get the value of the object as a boolean. May attempt to convert the value to a boolean if it is not a boolean. the value of the underlying object as a boolean getInt abstract public int getInt()(Code) Get the value of the object as an integer. May attempt to convert the value to an integer if it is not an integer. the value of the underlying object as an int getNumber abstract public double getNumber()(Code) Get the value of the object as a double. May attempt to convert the value to a double if it is not a double. the value of the underlying object as a double getString abstract public String getString()(Code) Get the value of the object as a string. Tries very hard to return a reasonable value for any underyling type, but this should only be used for human consumption as the exact format is not reliable across platforms. the value of the underlying object as a string getTypeString abstract public String getTypeString()(Code) Returns a human-readable string describing the type of the JS object. This is intended only for human consumption and may vary across platforms. getWrappedJavaObject abstract public Object getWrappedJavaObject()(Code) Unwrap a wrapped Java object. the original Java object wrapped in this JS object isBoolean abstract public boolean isBoolean()(Code) Returns true if the JS value is a boolean. isInt abstract public boolean isInt()(Code) Returns true if getInt() can be used on this value. isJavaScriptObject abstract public boolean isJavaScriptObject()(Code) Returns true if the JS value is a native JS object. isNull abstract public boolean isNull()(Code) Returns true if the JS value is null. isNumber abstract public boolean isNumber()(Code) Returns true if the JS value is a numeric type. isString abstract public boolean isString()(Code) Returns true if the JS value is a string. isUndefined abstract public boolean isUndefined()(Code) Returns true if the JS value is undefined (void). isWrappedJavaObject abstract public boolean isWrappedJavaObject()(Code) Returns true if the JS value is a wrapped Java object. mainThreadCleanup public static void mainThreadCleanup()(Code) The main thread should call this from time to time to release hosted-mode objects that Java is no longer referencing. setBoolean abstract public void setBoolean(boolean val)(Code) Sets the JS object to be a boolean value. Parameters:   val - the boolean value to set setByte abstract public void setByte(byte val)(Code) Sets the JS object to be a number, passed as an byte. Parameters:   val - the value to store setChar abstract public void setChar(char val)(Code) Sets the JS object to be a number, passed as a char. Parameters:   val - the value to store setDouble abstract public void setDouble(double val)(Code) Sets the JS object to be a number, passed as a double. Parameters:   val - the value to store setInt abstract public void setInt(int val)(Code) Sets the JS object to be a number, passed as an int. Parameters:   val - the value to store setNull abstract public void setNull()(Code) Set the JS object to be null. throws:   HostedModeException - setShort abstract public void setShort(short val)(Code) Sets the JS object to be a number, passed as a short. Parameters:   val - the value to store setString abstract public void setString(String val)(Code) Set the JS object to the supplied string. Parameters:   val - the string to put in the JS object throws:   HostedModeException - on JS allocation failures setUndefined abstract public void setUndefined()(Code) Set the JS object to be undefined (void). throws:   HostedModeException - on JS allocation failures setValue abstract public void setValue(JsValue other)(Code) Make this JsValue refer to the same underlying object as another JsValue. Parameters:   other - JsValue to copy JS object from setWrappedJavaObject abstract public void setWrappedJavaObject(CompilingClassLoader cl, T val)(Code) Set the JS object to the supplied object, which will be wrapped in a platform-dependent JavaScript class. < Parameters:   T - > the type of the Java object to wrap Parameters:   cl - the classloader to create the wrapper object with Parameters:   val - the Java object to wrap throws:   HostedModeException - toString public String toString()(Code) Produce a string representation of the JsValue. Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)