/*
* Copyright (c) 2012, Codename One and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Codename One designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Codename One through http://www.codenameone.com/ if you
* need additional information or have any questions.
*/
package com.codename1.io;
import com.codename1.util.Callback;
import com.codename1.util.FailureCallback;
import com.codename1.util.SuccessCallback;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
/**
* Utility class used by the webservice proxy code to invoke server code
*
* @author Shai Almog
*/
public class WebServiceProxyCall {
/**
* Web protocol argument/return type
*/
public static final int TYPE_VOID = 0;
/**
* Web protocol argument/return type
*/
public static final int TYPE_BYTE = 1;
/**
* Web protocol argument/return type
*/
public static final int TYPE_CHAR = 2;
/**
* Web protocol argument/return type
*/
public static final int TYPE_SHORT = 3;
/**
* Web protocol argument/return type
*/
public static final int TYPE_INT = 4;
/**
* Web protocol argument/return type
*/
public static final int TYPE_LONG = 5;
/**
* Web protocol argument/return type
*/
public static final int TYPE_DOUBLE = 6;
/**
* Web protocol argument/return type
*/
public static final int TYPE_FLOAT = 7;
/**
* Web protocol argument/return type
*/
public static final int TYPE_BOOLEAN = 8;
/**
* Web protocol argument/return type
*/
public static final int TYPE_BYTE_OBJECT = 9;
/**
* Web protocol argument/return type
*/
public static final int TYPE_CHARACTER_OBJECT = 10;
/**
* Web protocol argument/return type
*/
public static final int TYPE_SHORT_OBJECT = 11;
/**
* Web protocol argument/return type
*/
public static final int TYPE_INTEGER_OBJECT = 12;
/**
* Web protocol argument/return type
*/
public static final int TYPE_LONG_OBJECT = 13;
/**
* Web protocol argument/return type
*/
public static final int TYPE_DOUBLE_OBJECT = 14;
/**
* Web protocol argument/return type
*/
public static final int TYPE_FLOAT_OBJECT = 15;
/**
* Web protocol argument/return type
*/
public static final int TYPE_BOOLEAN_OBJECT = 16;
/**
* Web protocol argument/return type
*/
public static final int TYPE_STRING = 17;
/**
* Web protocol argument/return type
*/
public static final int TYPE_BYTE_ARRAY = 18;
/**
* Web protocol argument/return type
*/
public static final int TYPE_CHAR_ARRAY = 19;
/**
* Web protocol argument/return type
*/
public static final int TYPE_SHORT_ARRAY = 20;
/**
* Web protocol argument/return type
*/
public static final int TYPE_INT_ARRAY = 21;
/**
* Web protocol argument/return type
*/
public static final int TYPE_LONG_ARRAY = 22;
/**
* Web protocol argument/return type
*/
public static final int TYPE_DOUBLE_ARRAY = 23;
/**
* Web protocol argument/return type
*/
public static final int TYPE_FLOAT_ARRAY = 24;
/**
* Web protocol argument/return type
*/
public static final int TYPE_BOOLEAN_ARRAY = 25;
/**
* Web protocol argument/return type
*/
public static final int TYPE_STRING_ARRAY = 26;
/**
* Web protocol argument/return type
*/
public static final int TYPE_EXTERNALIABLE = 1000;
/**
* Invokes a webservice synchronously and returns result
*
* @param def definition of the webservice request
* @param arguments the arguments to the service
* @return the value of the sync call
* @throws IOException an exception in case of a webservice fail
*/
public static Object invokeWebserviceSync(WSDefinition def, Object... arguments) throws IOException {
WSConnection cr = new WSConnection(def, null, arguments);
NetworkManager.getInstance().addToQueueAndWait(cr);
int rc = cr.getResponseCode();
if(rc != 200 && rc != 201) {
throw new IOException("Server error: " + cr.getResponseCode());
}
return cr.returnValue;
}
/**
* Invokes a web asynchronously and calls the callback on completion
*
* @param def definition of the webservice request
* @param scall the return value callback
* @param fcall the error callback
* @param arguments the arguments to the webservice
*/
public static void invokeWebserviceASync(WSDefinition def, SuccessCallback scall,
FailureCallback fcall, Object... arguments) {
WSConnection cr = new WSConnection(def, scall, fcall, arguments);
NetworkManager.getInstance().addToQueue(cr);
}
/**
* Invokes a web asynchronously and calls the callback on completion
*
* @param def definition of the webservice request
* @param call the return value containing an error callback or value
* @param arguments the arguments to the webservice
*/
public static void invokeWebserviceASync(WSDefinition def, final Callback call, Object... arguments) {
WSConnection cr = new WSConnection(def, call, arguments);
NetworkManager.getInstance().addToQueue(cr);
}
/**
* Creates a webservice definition object which can be used to invoke the webservice.
*
* @param url the url of the webservice
* @param serviceName the name of the service method
* @param returnType the return type for the webservice one of the TYPE_* constants
* @param argumentTypes the arguments for the webservice using the TYPE_* constants
* @return a WSDefinition object
*/
public static WSDefinition defineWebService(String url, String serviceName, int returnType, int... argumentTypes) {
WSDefinition def = new WSDefinition();
def.url = url;
def.name = serviceName;
def.returnType = returnType;
def.arguments = argumentTypes;
return def;
}
/**
* Webservice definition type, allows defining the argument values for a specific WS call
*/
public static class WSDefinition {
String url;
String name;
int returnType;
int[] arguments;
}
static class WSConnection extends ConnectionRequest {
private WSDefinition def;
private Object[] arguments;
Object returnValue;
private SuccessCallback scall;
private FailureCallback fcall;
public WSConnection(WSDefinition def, Callback call, Object... arguments) {
this(def, call, call, arguments);
}
public WSConnection(WSDefinition def, SuccessCallback scall, FailureCallback fcall, Object... arguments) {
this.def = def;
setUrl(def.url);
this.arguments = arguments;
this.scall = scall;
this.fcall = fcall;
setPost(true);
}
@Override
protected void postResponse() {
if(scall != null) {
scall.onSucess(returnValue);
}
}
@Override
protected void handleErrorResponseCode(int code, String message) {
if(fcall != null) {
fcall.onError(this, null, code, message);
}
}
@Override
protected void handleException(Exception err) {
if(fcall != null) {
fcall.onError(this, err, -1, null);
}
}
@Override
protected void readResponse(InputStream input) throws IOException {
DataInputStream dis = new DataInputStream(input);
switch(def.returnType) {
case TYPE_VOID:
return;
case TYPE_BYTE:
returnValue = new Byte(dis.readByte());
break;
case TYPE_CHAR:
returnValue = new Character(dis.readChar());
break;
case TYPE_SHORT:
returnValue = new Short(dis.readShort());
break;
case TYPE_INT:
returnValue = new Integer(dis.readInt());
break;
case TYPE_LONG:
returnValue = new Long(dis.readLong());
break;
case TYPE_DOUBLE:
returnValue = new Double(dis.readDouble());
break;
case TYPE_FLOAT:
returnValue = new Float(dis.readFloat());
break;
case TYPE_BOOLEAN:
returnValue = new Boolean(dis.readBoolean());
break;
case TYPE_BYTE_OBJECT:
if(dis.readBoolean()) {
returnValue = new Byte(dis.readByte());
}
break;
case TYPE_CHARACTER_OBJECT:
if(dis.readBoolean()) {
returnValue = new Character(dis.readChar());
}
break;
case TYPE_SHORT_OBJECT:
if(dis.readBoolean()) {
returnValue = new Short(dis.readShort());
}
break;
case TYPE_INTEGER_OBJECT:
if(dis.readBoolean()) {
returnValue = new Integer(dis.readInt());
}
break;
case TYPE_LONG_OBJECT:
if(dis.readBoolean()) {
returnValue = new Long(dis.readLong());
}
break;
case TYPE_DOUBLE_OBJECT:
if(dis.readBoolean()) {
returnValue = new Double(dis.readDouble());
}
break;
case TYPE_FLOAT_OBJECT:
if(dis.readBoolean()) {
returnValue = new Float(dis.readFloat());
}
break;
case TYPE_BOOLEAN_OBJECT:
if(dis.readBoolean()) {
returnValue = new Boolean(dis.readBoolean());
}
break;
case TYPE_STRING:
if(dis.readBoolean()) {
returnValue = dis.readUTF();
}
break;
case TYPE_BYTE_ARRAY: {
int size = dis.readInt();
if(size > -1) {
byte[] b = new byte[size];
for(int iter = 0 ; iter < size ; iter++) {
b[iter] = dis.readByte();
}
returnValue = b;
}
break;
}
case TYPE_CHAR_ARRAY: {
int size = dis.readInt();
if(size > -1) {
char[] b = new char[size];
for(int iter = 0 ; iter < size ; iter++) {
b[iter] = dis.readChar();
}
returnValue = b;
}
break;
}
case TYPE_SHORT_ARRAY: {
int size = dis.readInt();
if(size > -1) {
short[] b = new short[size];
for(int iter = 0 ; iter < size ; iter++) {
b[iter] = dis.readShort();
}
returnValue = b;
}
break;
}
case TYPE_INT_ARRAY: {
int size = dis.readInt();
if(size > -1) {
int[] b = new int[size];
for(int iter = 0 ; iter < size ; iter++) {
b[iter] = dis.readInt();
}
returnValue = b;
}
break;
}
case TYPE_LONG_ARRAY: {
int size = dis.readInt();
if(size > -1) {
long[] b = new long[size];
for(int iter = 0 ; iter < size ; iter++) {
b[iter] = dis.readLong();
}
returnValue = b;
}
break;
}
case TYPE_DOUBLE_ARRAY: {
int size = dis.readInt();
if(size > -1) {
double[] b = new double[size];
for(int iter = 0 ; iter < size ; iter++) {
b[iter] = dis.readDouble();
}
returnValue = b;
}
break;
}
case TYPE_FLOAT_ARRAY: {
int size = dis.readInt();
if(size > -1) {
float[] b = new float[size];
for(int iter = 0 ; iter < size ; iter++) {
b[iter] = dis.readFloat();
}
returnValue = b;
}
break;
}
case TYPE_BOOLEAN_ARRAY: {
int size = dis.readInt();
if(size > -1) {
boolean[] b = new boolean[size];
for(int iter = 0 ; iter < size ; iter++) {
b[iter] = dis.readBoolean();
}
returnValue = b;
}
break;
}
case TYPE_STRING_ARRAY: {
int size = dis.readInt();
if(size > -1) {
String[] b = new String[size];
for(int iter = 0 ; iter < size ; iter++) {
b[iter] = dis.readUTF();
}
returnValue = b;
}
break;
}
case TYPE_EXTERNALIABLE:
returnValue = Util.readObject(dis);
break;
default:
throw new RuntimeException("Unrecognized type: " + returnValue);
}
}
@Override
protected void buildRequestBody(OutputStream os) throws IOException {
DataOutputStream dos = new DataOutputStream(os);
dos.writeUTF(def.name);
int alen = arguments.length;
for(int iter = 0 ; iter < alen ; iter++) {
switch(def.arguments[iter]) {
case TYPE_BYTE:
dos.writeByte(((Byte)arguments[iter]).byteValue());
break;
case TYPE_CHAR:
dos.writeChar(((Character)arguments[iter]).charValue());
break;
case TYPE_SHORT:
dos.writeShort(((Short)arguments[iter]).shortValue());
break;
case TYPE_INT:
dos.writeInt(((Integer)arguments[iter]).intValue());
break;
case TYPE_LONG:
dos.writeLong(((Long)arguments[iter]).longValue());
break;
case TYPE_DOUBLE:
dos.writeDouble(((Double)arguments[iter]).doubleValue());
break;
case TYPE_FLOAT:
dos.writeFloat(((Float)arguments[iter]).floatValue());
break;
case TYPE_BOOLEAN:
dos.writeBoolean(((Boolean)arguments[iter]).booleanValue());
break;
case TYPE_BYTE_OBJECT:
if(arguments[iter] != null) {
dos.writeBoolean(true);
dos.writeByte(((Byte)arguments[iter]).byteValue());
} else {
dos.writeBoolean(false);
}
break;
case TYPE_CHARACTER_OBJECT:
if(arguments[iter] != null) {
dos.writeBoolean(true);
dos.writeChar(((Character)arguments[iter]).charValue());
} else {
dos.writeBoolean(false);
}
break;
case TYPE_SHORT_OBJECT:
if(arguments[iter] != null) {
dos.writeBoolean(true);
dos.writeShort(((Short)arguments[iter]).shortValue());
} else {
dos.writeBoolean(false);
}
break;
case TYPE_INTEGER_OBJECT:
if(arguments[iter] != null) {
dos.writeBoolean(true);
dos.writeInt(((Integer)arguments[iter]).intValue());
} else {
dos.writeBoolean(false);
}
break;
case TYPE_LONG_OBJECT:
if(arguments[iter] != null) {
dos.writeBoolean(true);
dos.writeLong(((Long)arguments[iter]).longValue());
} else {
dos.writeBoolean(false);
}
break;
case TYPE_DOUBLE_OBJECT:
if(arguments[iter] != null) {
dos.writeBoolean(true);
dos.writeDouble(((Double)arguments[iter]).doubleValue());
} else {
dos.writeBoolean(false);
}
break;
case TYPE_FLOAT_OBJECT:
if(arguments[iter] != null) {
dos.writeBoolean(true);
dos.writeFloat(((Float)arguments[iter]).floatValue());
} else {
dos.writeBoolean(false);
}
break;
case TYPE_BOOLEAN_OBJECT:
if(arguments[iter] != null) {
dos.writeBoolean(true);
dos.writeBoolean(((Boolean)arguments[iter]).booleanValue());
} else {
dos.writeBoolean(false);
}
break;
case TYPE_STRING:
if(arguments[iter] != null) {
dos.writeBoolean(true);
dos.writeUTF((String)arguments[iter]);
} else {
dos.writeBoolean(false);
}
break;
case TYPE_BYTE_ARRAY:
if(arguments[iter] != null) {
byte[] b = (byte[])arguments[iter];
dos.writeInt(b.length);
for(byte bb : b) {
dos.writeByte(bb);
}
} else {
dos.writeInt(-1);
}
break;
case TYPE_CHAR_ARRAY:
if(arguments[iter] != null) {
char[] b = (char[])arguments[iter];
dos.writeInt(b.length);
for(char bb : b) {
dos.writeChar(bb);
}
} else {
dos.writeInt(-1);
}
break;
case TYPE_SHORT_ARRAY:
if(arguments[iter] != null) {
short[] b = (short[])arguments[iter];
dos.writeInt(b.length);
for(short bb : b) {
dos.writeShort(bb);
}
} else {
dos.writeInt(-1);
}
break;
case TYPE_INT_ARRAY:
if(arguments[iter] != null) {
int[] b = (int[])arguments[iter];
dos.writeInt(b.length);
for(int bb : b) {
dos.writeInt(bb);
}
} else {
dos.writeInt(-1);
}
break;
case TYPE_LONG_ARRAY:
if(arguments[iter] != null) {
long[] b = (long[])arguments[iter];
dos.writeInt(b.length);
for(long bb : b) {
dos.writeLong(bb);
}
} else {
dos.writeInt(-1);
}
break;
case TYPE_DOUBLE_ARRAY:
if(arguments[iter] != null) {
double[] b = (double[])arguments[iter];
dos.writeInt(b.length);
for(double bb : b) {
dos.writeDouble(bb);
}
} else {
dos.writeInt(-1);
}
break;
case TYPE_FLOAT_ARRAY:
if(arguments[iter] != null) {
float[] b = (float[])arguments[iter];
dos.writeInt(b.length);
for(float bb : b) {
dos.writeFloat(bb);
}
} else {
dos.writeInt(-1);
}
break;
case TYPE_BOOLEAN_ARRAY:
if(arguments[iter] != null) {
boolean[] b = (boolean[])arguments[iter];
dos.writeInt(b.length);
for(boolean bb : b) {
dos.writeBoolean(bb);
}
} else {
dos.writeInt(-1);
}
break;
case TYPE_STRING_ARRAY:
if(arguments[iter] != null) {
String[] b = (String[])arguments[iter];
dos.writeInt(b.length);
for(String bb : b) {
dos.writeUTF(bb);
}
} else {
dos.writeInt(-1);
}
break;
case TYPE_EXTERNALIABLE:
Util.writeObject(arguments[iter], dos);
break;
default:
throw new RuntimeException("Unrecognized type: " + def.arguments[iter]);
}
}
}
}
}