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/* IcedTeaJavaRequestProcessor.h
Copyright (C) 2009, 2010 Red Hat
This file is part of IcedTea.
IcedTea is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
IcedTea is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with IcedTea; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.
Linking this library statically or dynamically with other modules is
making a combined work based on this library. Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module. An independent module is a module which is not derived from
or based on this library. If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so. If you do not wish to do so, delete this
exception statement from your version. */
#ifndef ICEDTEAJAVAREQUEST_H_
#define ICEDTEAJAVAREQUEST_H_
#include <errno.h>
#include <stdlib.h>
#include <unistd.h>
#include <vector>
#include "IcedTeaNPPlugin.h"
#include "IcedTeaPluginUtils.h"
#define REQUESTTIMEOUT 180
/*
* This struct holds data specific to a Java operation requested by the plugin
*/
typedef struct java_request
{
// Instance id (if applicable)
int instance;
// Context id (if applicable)
int context;
// request specific data
std::vector<std::string>* data;
// source of the request
std::string* source;
} JavaRequest;
/* Creates a argument on java-side with appropriate type */
void createJavaObjectFromVariant(NPP instance, NPVariant variant, std::string* id);
/* Returns the type of array based on the given element */
void getArrayTypeForJava(NPP instance, NPVariant element, std::string* type);
class JavaRequestProcessor : BusSubscriber
{
private:
// instance and references are constant throughout this objects
// lifecycle
int instance;
int reference;
bool result_ready;
JavaResultData* result;
/* Post message on bus and wait */
void postAndWaitForResponse(std::string message);
// Call a method, static or otherwise, depending on supplied arg
JavaResultData* call(std::string source, bool isStatic,
std::string objectID, std::string methodName,
std::vector<std::string> args);
// Set a static/non-static field to given value
JavaResultData* set(std::string source,
bool isStatic,
std::string classID,
std::string objectID,
std::string fieldName,
std::string value_id);
/* Resets the results */
void resetResult();
public:
JavaRequestProcessor();
~JavaRequestProcessor();
virtual bool newMessageOnBus(const char* message);
/* Increments reference count by 1 */
void addReference(std::string object_id);
/* Decrements reference count by 1 */
void deleteReference(std::string object_id);
/* Returns the toString() value, given an object identifier */
JavaResultData* getToStringValue(std::string object_id);
/* Returns the value, given an object identifier */
JavaResultData* getValue(std::string object_id);
/* Returns the string, given the identifier */
JavaResultData* getString(std::string string_id);
/* Returns the field object */
JavaResultData* getField(std::string source,
std::string classID,
std::string objectID,
std::string fieldName);
/* Returns the static field object */
JavaResultData* getStaticField(std::string source,
std::string classID,
std::string fieldName);
/* Sets the field object */
JavaResultData* setField(std::string source,
std::string classID,
std::string objectID,
std::string fieldName,
std::string value_id);
/* Sets the static field object */
JavaResultData* setStaticField(std::string source,
std::string classID,
std::string fieldName,
std::string value_id);
/* Returns the field id */
JavaResultData* getFieldID(std::string classID, std::string fieldName);
/* Returns the static field id */
JavaResultData* getStaticFieldID(std::string classID, std::string fieldName);
/* Returns the method id */
JavaResultData* getMethodID(std::string classID, NPIdentifier methodName,
std::vector<std::string> args);
/* Returns the static method id */
JavaResultData* getStaticMethodID(std::string classID, NPIdentifier methodName,
std::vector<std::string> args);
/* Calls a static method */
JavaResultData* callStaticMethod(std::string source,
std::string classID,
std::string methodName,
std::vector<std::string> args);
/* Calls a method on an instance */
JavaResultData* callMethod(std::string source,
std::string objectID,
std::string methodName,
std::vector<std::string> args);
/* Returns the class of the given object */
JavaResultData* getObjectClass(std::string objectID);
/* Creates a new object with choosable constructor */
JavaResultData* newObject(std::string source,
std::string classID,
std::vector<std::string> args);
/* Creates a new object when constructor is undetermined */
JavaResultData* newObjectWithConstructor(std::string source, std::string classID,
std::string methodID,
std::vector<std::string> args);
/* Returns the class ID */
JavaResultData* findClass(int plugin_instance_id,
std::string name);
/* Returns the type class name */
JavaResultData* getClassName(std::string objectID);
/* Returns the type class id */
JavaResultData* getClassID(std::string objectID);
/* Returns the length of the array object. -1 if not found */
JavaResultData* getArrayLength(std::string objectID);
/* Returns the item at the given index for the array */
JavaResultData* getSlot(std::string objectID, std::string index);
/* Sets the item at the given index to the given value */
JavaResultData* setSlot(std::string objectID,
std::string index,
std::string value_id);
/* Creates a new array of given length */
JavaResultData* newArray(std::string component_class,
std::string length);
/* Creates a new string in the Java store */
JavaResultData* newString(std::string str);
/* Check if package exists */
JavaResultData* hasPackage(int plugin_instance_id,
std::string package_name);
/* Check if method exists */
JavaResultData* hasMethod(std::string classID, std::string method_name);
/* Check if field exists */
JavaResultData* hasField(std::string classID, std::string method_name);
/* Check if given object is instance of given class */
JavaResultData* isInstanceOf(std::string objectID, std::string classID);
/* Returns the instance ID of the java applet */
JavaResultData* getAppletObjectInstance(std::string instanceID);
};
#endif /* ICEDTEAJAVAREQUESTPROCESSOR_H_ */
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