cleaned up variant serialization code. Its still broken. There just isn't as much of it now.

This commit is contained in:
clay_shooter
2005-10-29 16:01:30 +00:00
parent 4e2d45e3ff
commit 38c5d9d358
20 changed files with 281 additions and 304 deletions

View File

@@ -89,7 +89,7 @@ JNIEXPORT jobject JNICALL Java_com_jacob_com_Dispatch_QueryInterface
* and connects to it. does special code if the progid
* is of the alternate format (with ":")
**/
JNIEXPORT void JNICALL Java_com_jacob_com_Dispatch_createInstance
JNIEXPORT void JNICALL Java_com_jacob_com_Dispatch_createInstanceNative
(JNIEnv *env, jobject _this, jstring _progid)
{
jclass clazz = env->GetObjectClass(_this);
@@ -155,7 +155,7 @@ doDisp:
* attempts to connect to an running instance of the requested program
* This exists solely for the factory method connectToActiveInstance.
**/
JNIEXPORT void JNICALL Java_com_jacob_com_Dispatch_getActiveInstance
JNIEXPORT void JNICALL Java_com_jacob_com_Dispatch_getActiveInstanceNative
(JNIEnv *env, jobject _this, jstring _progid)
{
jclass clazz = env->GetObjectClass(_this);
@@ -197,7 +197,7 @@ JNIEXPORT void JNICALL Java_com_jacob_com_Dispatch_getActiveInstance
* starts up a new instance of the requested program (progId).
* This exists solely for the factory method connectToActiveInstance.
**/
JNIEXPORT void JNICALL Java_com_jacob_com_Dispatch_coCreateInstance
JNIEXPORT void JNICALL Java_com_jacob_com_Dispatch_coCreateInstanceNative
(JNIEnv *env, jobject _this, jstring _progid)
{
jclass clazz = env->GetObjectClass(_this);

View File

@@ -38,7 +38,7 @@ JNIEXPORT jobject JNICALL Java_com_jacob_com_Dispatch_QueryInterface
* Method: createInstance
* Signature: (Ljava/lang/String;)V
*/
JNIEXPORT void JNICALL Java_com_jacob_com_Dispatch_createInstance
JNIEXPORT void JNICALL Java_com_jacob_com_Dispatch_createInstanceNative
(JNIEnv *, jobject, jstring);
/*
@@ -46,7 +46,7 @@ JNIEXPORT void JNICALL Java_com_jacob_com_Dispatch_createInstance
* Method: getActiveInstance
* Signature: (Ljava/lang/String;)V
*/
JNIEXPORT void JNICALL Java_com_jacob_com_Dispatch_getActiveInstance
JNIEXPORT void JNICALL Java_com_jacob_com_Dispatch_getActiveInstanceNative
(JNIEnv *, jobject, jstring);
/*
@@ -54,7 +54,7 @@ JNIEXPORT void JNICALL Java_com_jacob_com_Dispatch_getActiveInstance
* Method: coCreateInstance
* Signature: (Ljava/lang/String;)V
*/
JNIEXPORT void JNICALL Java_com_jacob_com_Dispatch_coCreateInstance
JNIEXPORT void JNICALL Java_com_jacob_com_Dispatch_coCreateInstanceNative
(JNIEnv *, jobject, jstring);
/*

View File

@@ -100,87 +100,60 @@ void zeroVariant(JNIEnv *env, jobject _this)
env->SetIntField(_this, jf, (unsigned int)0);
}
JNIEXPORT void JNICALL Java_com_jacob_com_Variant_Save
(JNIEnv *env, jobject _this, jobject outStream)
{
/**
* This is the core of the old Save method.
* It copies this variant to a byte stream.
* The unmarshalling part of this doesn't work but it was left in
* with the hope that someone will want to fix this later
**/
JNIEXPORT jbyteArray JNICALL Java_com_jacob_com_Variant_SerializationWriteToBytes
(JNIEnv *env, jobject _this){
VARIANT *v = extractVariant(env, _this);
if (v)
{
DWORD flags = MSHCTX_LOCAL;
jint size = VARIANT_UserSize(&flags, 0L, v);
// allocate a byte array of the right length
jbyte* pBuf = new jbyte[size];
// clear it out
ZeroMemory(pBuf, size);
// marshall the Variant into the buffer
VARIANT_UserMarshal(&flags, (unsigned char *)pBuf, v);
// need to convert the buffer to a java byte ba[]
jbyteArray ba = env->NewByteArray(size);
env->SetByteArrayRegion(ba, 0, size, pBuf);
// and delete the original memory
delete [] pBuf;
//java code: DataOutputStream dos = new DataOutputStream(outStream);
jclass dosCls = env->FindClass("java/io/DataOutputStream");
jmethodID dosCons =
env->GetMethodID(dosCls, "<init>", "(Ljava/io/OutputStream;)V");
jmethodID dosWriteInt =
env->GetMethodID(dosCls, "writeInt", "(I)V");
jmethodID dosWriteBytes =
env->GetMethodID(dosCls, "write", "([B)V");
jobject dos = env->NewObject(dosCls, dosCons, outStream);
// write the size into the stream
env->CallVoidMethod(dos, dosWriteInt, size);
// write the buffer into the stream
env->CallVoidMethod(dos, dosWriteBytes, ba);
if (v)
{
DWORD flags = MSHCTX_LOCAL;
jint size = VARIANT_UserSize(&flags, 0L, v);
// allocate a byte array of the right length
jbyte* pBuf = new jbyte[size];
// clear it out
ZeroMemory(pBuf, size);
// marshall the Variant into the buffer
VARIANT_UserMarshal(&flags, (unsigned char *)pBuf, v);
// need to convert the buffer to a java byte ba[]
jbyteArray ba = env->NewByteArray(size);
env->SetByteArrayRegion(ba, 0, size, pBuf);
// and delete the original memory
delete [] pBuf;
return ba;
} else {
jbyteArray ba = env->NewByteArray(0);
return ba;
}
}
}
JNIEXPORT void JNICALL Java_com_jacob_com_Variant_Load
(JNIEnv *env, jobject _this, jobject inStream)
{
/**
* This is the core of the old Load method. It is broken because the
* unmarshalling code doesn't work under 2000/XP.
*
* It probably needs a custom handler.
**/
JNIEXPORT void JNICALL Java_com_jacob_com_Variant_SerializationReadFromBytes
(JNIEnv *env, jobject _this, jbyteArray ba){
VARIANT *v = extractVariant(env, _this);
if (!v)
{
// since the default constructor is not called when serializing in
// I need to init the underlying VARIANT
jclass clazz = env->GetObjectClass(_this);
jfieldID jf = env->GetFieldID( clazz, VARIANT_FLD, "I");
v = new VARIANT();
VariantInit(v);
env->SetIntField(_this, jf, (unsigned int)v);
}
if (v)
{
//java code: DataInputStream dis = new DataInputStream(outStream);
jclass disCls = env->FindClass("java/io/DataInputStream");
jmethodID disCons =
env->GetMethodID(disCls, "<init>", "(Ljava/io/InputStream;)V");
jmethodID disReadInt =
env->GetMethodID(disCls, "readInt", "()I");
jmethodID disReadBytes =
env->GetMethodID(disCls, "readFully", "([B)V");
jobject dis = env->NewObject(disCls, disCons, inStream);
// read in the size from the input stream
jint size = env->CallIntMethod(dis, disReadInt);
// allocate a byte array of this size
jbyteArray ba = env->NewByteArray(size);
// read it in from the input stream
env->CallVoidMethod(dis, disReadBytes, ba);
if ( size > 0 )
{
if (v){
// get a buffer from it
jbyte *pBuf = env->GetByteArrayElements(ba, 0);
// unmarshall the Variant from the buffer
DWORD flags = MSHCTX_LOCAL;
printf("about to unmarshall array elements\n");
VARIANT_UserUnmarshal(&flags, (unsigned char *)pBuf, v);
// release the byte array
printf("about to release array elements\n");
env->ReleaseByteArrayElements(ba, pBuf, 0);
}
}
}
JNIEXPORT jint JNICALL Java_com_jacob_com_Variant_toInt
(JNIEnv *env, jobject _this)
@@ -947,12 +920,6 @@ JNIEXPORT jboolean JNICALL Java_com_jacob_com_Variant_getBooleanRef
return NULL;
}
JNIEXPORT jobject JNICALL Java_com_jacob_com_Variant_getObjectRef
(JNIEnv *env, jobject _this)
{
return NULL;
}
JNIEXPORT jbyte JNICALL Java_com_jacob_com_Variant_getByteRef
(JNIEnv *env, jobject _this)

View File

@@ -489,14 +489,6 @@ JNIEXPORT jint JNICALL Java_com_jacob_com_Variant_getErrorRef
JNIEXPORT jboolean JNICALL Java_com_jacob_com_Variant_getBooleanRef
(JNIEnv *, jobject);
/*
* Class: com_jacob_com_Variant
* Method: getObjectRef
* Signature: ()Ljava/lang/Object;
*/
JNIEXPORT jobject JNICALL Java_com_jacob_com_Variant_getObjectRef
(JNIEnv *, jobject);
/*
* Class: com_jacob_com_Variant
* Method: getByteRef
@@ -601,22 +593,12 @@ JNIEXPORT void JNICALL Java_com_jacob_com_Variant_release
JNIEXPORT void JNICALL Java_com_jacob_com_Variant_init
(JNIEnv *, jobject);
/*
* Class: com_jacob_com_Variant
* Method: Save
* Signature: (Ljava/io/OutputStream;)V
*/
JNIEXPORT void JNICALL Java_com_jacob_com_Variant_Save
(JNIEnv *, jobject, jobject);
/*
* Class: com_jacob_com_Variant
* Method: Load
* Signature: (Ljava/io/InputStream;)V
*/
JNIEXPORT void JNICALL Java_com_jacob_com_Variant_Load
(JNIEnv *, jobject, jobject);
JNIEXPORT jbyteArray JNICALL Java_com_jacob_com_Variant_SerializationWriteToBytes
(JNIEnv *, jobject);
JNIEXPORT void JNICALL Java_com_jacob_com_Variant_SerializationReadFromBytes
(JNIEnv *, jobject, jbyteArray);
/*
* Class: com_jacob_com_Variant
* Method: isNull

View File

@@ -24,8 +24,6 @@ public class AppTest extends Applet implements ActionListener {
ActiveXComponent sC = null;
Dispatch sControl = null;
/**
* startup method
*/
@@ -46,10 +44,9 @@ public class AppTest extends Applet implements ActionListener {
if (sC == null) {
String lang = "VBScript";
sC = new ActiveXComponent("ScriptControl");
sControl = sC.getObject();
Dispatch.put(sControl, "Language", lang);
Dispatch.put(sC, "Language", lang);
}
Variant v = Dispatch.call(sControl, "Eval", in.getText());
Variant v = Dispatch.call(sC, "Eval", in.getText());
out.setText(v.toString());
}
}

View File

@@ -1,7 +1,7 @@
package com.jacob.samples.office;
import com.jacob.activeX.ActiveXComponent;
import com.jacob.com.ComFailException;
import com.jacob.com.ComException;
import com.jacob.com.Dispatch;
import com.jacob.com.Variant;
@@ -99,7 +99,7 @@ public class WordDocumentProperties {
try {
cusPropName = Dispatch.call((Dispatch) custDocprops, "Item",
cusPropName).toString();
} catch (ComFailException e) {
} catch (ComException e) {
// Do nothing
cusPropName = null;
}
@@ -117,7 +117,7 @@ public class WordDocumentProperties {
try {
builtInPropName = Dispatch.call((Dispatch) builtInDocProps, "Item",
builtInPropName).toString();
} catch (ComFailException e) {
} catch (ComException e) {
// Do nothing
builtInPropName = null;
}

View File

@@ -3,7 +3,7 @@ package com.jacob.samples.test;
import com.jacob.com.*;
import com.jacob.activeX.*;
public class safearray
public class SafeArrayViaExcel
{
public static void main(java.lang.String[] args)
{
@@ -16,7 +16,8 @@ public class safearray
SafeArray sAProdText;
Dispatch workbooks = xl.getProperty("Workbooks").toDispatch();
System.out.println("have workbooks");
Dispatch workbook = Dispatch.call(workbooks, "Open", "d:\\jacob_15\\samples\\test\\jacobtest.xls").toDispatch();
Dispatch workbook = Dispatch.call(workbooks, "Open", "d:\\jacob\\samples\\test\\ExcelSafeArray" +
".xls").toDispatch();
System.out.println("Opened File - jacobtest.xls\n");
Dispatch sheet = Dispatch.get(workbook,"ActiveSheet").toDispatch();
cell = Dispatch.invoke(sheet,"Range",Dispatch.Get,new Object[] {"A1:D1000"},new int[1]).toDispatch();

View File

@@ -266,7 +266,7 @@ class test
printArray(bback);
try {
// this should throw ComFailException
// this should throw ComException
bba2.fromCharArray(new char[] {'a'});
} catch (Exception e) {
e.printStackTrace();

View File

@@ -1,49 +0,0 @@
package com.jacob.samples.test;
import com.jacob.com.*;
import java.io.*;
class varSerTest
{
public static void main(String[] args) throws Exception
{
Variant vs1 = new Variant("hi");
Variant vs2 = new Variant(123.456);
FileOutputStream fos = new FileOutputStream("foo.foo");
vs1.Save(fos);
vs2.Save(fos);
fos.close();
Variant vl1 = new Variant();
Variant vl2 = new Variant();
FileInputStream fis = new FileInputStream("foo.foo");
vl1.Load(fis);
vl2.Load(fis);
System.out.println(vl1);
System.out.println(vl2);
// same thing with serialization
fos = new FileOutputStream("foo.ser");
ObjectOutputStream oos = new ObjectOutputStream(fos);
oos.writeObject(vs1);
oos.writeObject(vs2);
oos.close();
fos.close();
fis = new FileInputStream("foo.ser");
ObjectInputStream ois = new ObjectInputStream(fis);
Variant vss1, vss2;
vss1 = (Variant)ois.readObject();
vss2 = (Variant)ois.readObject();
ois.close();
fis.close();
System.out.println(vss1);
System.out.println(vss2);
}
}

View File

@@ -101,7 +101,7 @@ public class ActiveXComponent extends Dispatch {
ActiveXComponent mCreatedDispatch = null;
try {
mCreatedDispatch = new ActiveXComponent();
mCreatedDispatch.coCreateInstanceJava(pRequestedProgramId);
mCreatedDispatch.coCreateInstance(pRequestedProgramId);
} catch (Exception e){
mCreatedDispatch =null;
if (JacobObject.isDebugEnabled()){
@@ -130,7 +130,7 @@ public class ActiveXComponent extends Dispatch {
ActiveXComponent mCreatedDispatch = null;
try {
mCreatedDispatch = new ActiveXComponent();
mCreatedDispatch.getActiveInstanceJava(pRequestedProgramId);
mCreatedDispatch.getActiveInstance(pRequestedProgramId);
} catch (Exception e){
mCreatedDispatch =null;
if (JacobObject.isDebugEnabled()){

View File

@@ -20,7 +20,7 @@
package com.jacob.com;
/**
* COM Fail Exception class raise dwhen there is a problem
* COM Fail Exception class raised when there is a problem
*/
public class ComFailException extends ComException {
/**

View File

@@ -0,0 +1,43 @@
/*
* Copyright (c) 1999-2004 Sourceforge JACOB Project.
* All rights reserved. Originator: Dan Adler (http://danadler.com).
* Get more information about JACOB at http://sourceforge.net/projects/jacob-project
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package com.jacob.com;
/**
* Thrown by java APIs that are not implemented either because
* they were never implemented or because they are bieng deprecated
* This is a subclass of ComException so callers can still just catch
* ComException.
*/
public class ComNotImplementedException extends ComException {
/**
*
*/
private static final long serialVersionUID = -9169900832852356445L;
/**
* @param description
*/
public ComNotImplementedException(String description) {
super(description);
}
}

View File

@@ -157,7 +157,7 @@ public class Dispatch extends JacobObject
public Dispatch(String requestedProgramId) {
programId = requestedProgramId;
if (programId != null && !"".equals(programId)){
createInstance(requestedProgramId);
createInstanceNative(requestedProgramId);
} else {
throw new IllegalArgumentException(
"Dispatch(String) does not accept null or an empty string as a parameter");
@@ -176,7 +176,7 @@ public class Dispatch extends JacobObject
*
* @param progid
*/
private native void createInstance(String progid);
private native void createInstanceNative(String progid);
/**
* native call getActiveInstance only used by the constructor with the same parm
@@ -190,15 +190,18 @@ public class Dispatch extends JacobObject
*
* @param progid
*/
private native void getActiveInstance(String progid);
private native void getActiveInstanceNative(String progid);
/**
* Wrapper around the native method
* @param progid
*/
protected void getActiveInstanceJava(String progid){
this.programId = progid;
getActiveInstance(progid);
protected void getActiveInstance(String pProgramIdentifier){
if (pProgramIdentifier == null || "".equals(pProgramIdentifier)){
throw new IllegalArgumentException("program id is required");
}
this.programId = pProgramIdentifier;
getActiveInstanceNative(pProgramIdentifier);
}
/**
@@ -213,15 +216,18 @@ public class Dispatch extends JacobObject
*
* @param progid
*/
private native void coCreateInstance(String progid);
private native void coCreateInstanceNative(String progid);
/**
* Wrapper around the native method
* @param progid
* @param pProgramIdentifier
*/
protected void coCreateInstanceJava(String progid){
this.programId = progid;
coCreateInstance(progid);
protected void coCreateInstance(String pProgramIdentifier){
if (pProgramIdentifier == null || "".equals(pProgramIdentifier)){
throw new IllegalArgumentException("program id is required");
}
this.programId = pProgramIdentifier;
coCreateInstanceNative(pProgramIdentifier);
}
/**
@@ -391,11 +397,10 @@ public class Dispatch extends JacobObject
* @param dispatchTarget
* @param name
* @param val
* @throws ClassCastException
* because???
* @throws com.jacob.com.ComNotImplementedException
*/
public static void put_Casesensitive(Dispatch dispatchTarget, String name, Object val) {
throw new ClassCastException("not implemented yet");
throw new ComNotImplementedException("not implemented yet");
}
/*============================================================
@@ -447,12 +452,12 @@ public class Dispatch extends JacobObject
* @param dispatchTarget
* @param name
* @param values
* @return never returns anything because throws ClassCastException
* because not implemented yet
* @return never returns anything because
* @throws com.jacob.com.ComNotImplementedException
*/
public static Variant callN_CaseSensitive(Dispatch dispatchTarget, String name,
Object[] values) {
throw new ClassCastException("not implemented yet");
throw new ComNotImplementedException("not implemented yet");
}
/**
@@ -1273,13 +1278,14 @@ public class Dispatch extends JacobObject
}
/**
* not implemented , will throw class cast exception
* not implemented yet
* @param dispatchTarget
* @param name
* @return Variant never returned
* @throws com.jacob.com.ComNotImplementedException
*/
public static Variant get_CaseSensitive(Dispatch dispatchTarget, String name) {
throw new ClassCastException("not implemented yet");
throw new ComNotImplementedException("not implemented yet");
}
}

View File

@@ -132,7 +132,7 @@ public class DispatchEvents extends JacobObject {
* @param progId optional program id. most folks don't need this either
* @param typeLib optional parameter for those programs that don't register their type libs (like Excel)
*/
protected native void init3(Dispatch src, Object sink, String progId, String typeLib);
private native void init3(Dispatch src, Object sink, String progId, String typeLib);
/**
* now private so only this object can asccess

View File

@@ -24,9 +24,13 @@ import java.util.Date;
/**
* The multi-format data type used for all call backs and most communications
* between Java and COM. It provides a single class that can handle all data
* types
* types.
* <p>
* This object no longer implements Serializable because serialization is broken
* (and has been since 2000/xp). The underlying
* marshalling/unmarshalling code is broken in the JNI layer.
*/
public class Variant extends JacobObject implements java.io.Serializable {
public class Variant extends JacobObject {
/**
* Use this constant for optional parameters
*/
@@ -157,31 +161,29 @@ public class Variant extends JacobObject implements java.io.Serializable {
/**
* @deprecated superceded by SafeArray
* @param in
* doesn't matter because this method does nothing
* @throws com.jacob.com.ComFailException
* @param in doesn't matter because this method does nothing
* @throws com.jacob.com.ComNotImplementedException
*/
public void putVariantArray(Variant[] in) {
throw new ComFailException("Not implemented");
throw new ComNotImplementedException("Not implemented");
}
/**
* @deprecated superceded by SafeArray
* @return never returns
* @throws com.jacob.com.ComFailException
* @return never returns anything
* @throws com.jacob.com.ComNotImplementedException
*/
public Variant[] getVariantArray() {
throw new ComFailException("Not implemented");
throw new ComNotImplementedException("Not implemented");
}
/**
* @deprecated superceded by SafeArray
* @param in
* doesn't matter because this method does nothing
* @throws com.jacob.com.ComFailException
* @param in doesn't matter because this method does nothing
* @throws com.jacob.com.ComNotImplementedException
*/
public void putByteArray(Object in) {
throw new ComFailException("Not implemented");
throw new ComNotImplementedException("Not implemented");
}
/**
@@ -287,12 +289,12 @@ public class Variant extends JacobObject implements java.io.Serializable {
public native String getStringRef();
/**
* @return never returns anything
* @throws com.jacob.com.ComFailException
* @deprecated superceded by SafeArray
* @return never returns anything
* @throws com.jacob.com.ComNotImplementedException
*/
public Object toCharArray() {
throw new ComFailException("Not implemented");
throw new ComNotImplementedException("Not implemented");
}
/**
@@ -427,10 +429,6 @@ public class Variant extends JacobObject implements java.io.Serializable {
public native double getDouble();
public Object getObject() {
return toDispatch();
}
public native void putCurrency(long in);
/** puts an object into the */
@@ -470,8 +468,6 @@ public class Variant extends JacobObject implements java.io.Serializable {
public native boolean getBooleanRef();
public native Object getObjectRef();
public native byte getByteRef();
/**
@@ -498,11 +494,11 @@ public class Variant extends JacobObject implements java.io.Serializable {
public native void noParam();
/**
* superceded by SafeArray
* @throws com.jacob.com.ComFailException
* @deprecated superceded by SafeArray
* @throws com.jacob.com.ComNotImplementedException
*/
public void putCharArray(Object in) {
throw new ComFailException("Not implemented");
throw new ComNotImplementedException("Not implemented");
}
public native float getFloat();
@@ -518,19 +514,19 @@ public class Variant extends JacobObject implements java.io.Serializable {
}
/**
* superceded by SafeArray
* @throws com.jacob.com.ComFailException
* @deprecated superceded by SafeArray
* @throws com.jacob.com.ComNotImplementedException
*/
public void putVariantArrayRef(Variant[] in) {
throw new ClassCastException("Not implemented");
throw new ComNotImplementedException("Not implemented");
}
/**
* superceded by SafeArray
* @throws com.jacob.com.ComFailException
* @deprecated superceded by SafeArray
* @throws com.jacob.com.ComNotImplementedException
*/
public Variant[] getVariantArrayRef() {
throw new ClassCastException("Not implemented");
throw new ComNotImplementedException("Not implemented");
}
public native void changeType(short in);
@@ -555,7 +551,7 @@ public class Variant extends JacobObject implements java.io.Serializable {
}
/**
* constructor that calls init() and then putXXX()
* Constructor that accepts a primitive rather than an object
* @param in
*/
public Variant(int in) {
@@ -564,7 +560,7 @@ public class Variant extends JacobObject implements java.io.Serializable {
}
/**
* constructor that calls init() and then putXXX()
* Constructor that accepts a primitive rather than an object
* @param in
*/
public Variant(double in) {
@@ -573,7 +569,7 @@ public class Variant extends JacobObject implements java.io.Serializable {
}
/**
* constructor that calls init() and then putXXX()
* Constructor that accepts a primitive rather than an object
* @param in
*/
public Variant(boolean in) {
@@ -581,33 +577,10 @@ public class Variant extends JacobObject implements java.io.Serializable {
putBoolean(in);
}
/**
* constructor that calls init() and then putXXX()
* @param in
*/
public Variant(String in) {
init();
putString(in);
}
/**
* constructor that calls init() and then putSafeArrayXXX()
* @param in
* @param fByRef is this data by reference or not?
*/
public Variant(SafeArray in, boolean fByRef) {
init();
if (fByRef) {
putSafeArrayRef(in);
} else {
putSafeArray(in);
}
}
/**
* constructor that calls two parameter constructor
* with 1st parameter as object and 2nd parameter as false
* @param in
* Convenience constructor that calls the main one with
* a byRef value of false
* @param in object to be made into variant
*/
public Variant(Object in) {
this(in, false);
@@ -661,45 +634,6 @@ public class Variant extends JacobObject implements java.io.Serializable {
}
}
/**
* wierd constructor that is no longer supported
* @param in
* @param in1
* @throws com.jacob.com.ComFailException
*/
public Variant(int in, int in1) {
throw new ComFailException("Not implemented");
}
/**
* wierd constructor that is no longer supported
* @param in
* @param in1
* @throws com.jacob.com.ComFailException
*/
public Variant(int in, boolean in1) {
throw new ComFailException("Not implemented");
}
/**
* wierd constructor that is no longer supported
* @param in
* @param in1
* @throws com.jacob.com.ComFailException
*/
public Variant(int in, double in1) {
throw new ComFailException("Not implemented");
}
/**
* wierd constructor that is no longer supported
* @param in
* @param in1
* @throws com.jacob.com.ComFailException
*/
public Variant(int in, Object in1) {
throw new ComFailException("Not implemented");
}
public native short getvt();
@@ -752,14 +686,22 @@ public class Variant extends JacobObject implements java.io.Serializable {
}
}
// superceded by SafeArray
/**
* @deprecated superceded by SafeArray
* @return
* @throws com.jacob.com.ComNotImplementedException
*/
public Variant[] toVariantArray() {
throw new ClassCastException("Not implemented");
throw new ComNotImplementedException("Not implemented");
}
// superceded by SafeArray
/**
* @deprecated superceded by SafeArray
* @return
* @throws com.jacob.com.ComNotImplementedException
*/
public Object toByteArray() {
throw new ClassCastException("Not implemented");
throw new ComNotImplementedException("Not implemented");
}
static {
@@ -772,7 +714,14 @@ public class Variant extends JacobObject implements java.io.Serializable {
*/
private void writeObject(java.io.ObjectOutputStream oos) {
try {
Save(oos);
byte[] ourBytes = SerializationWriteToBytes();
int count = ourBytes.length;
if (JacobObject.isDebugEnabled()){
JacobObject.debug("writing out "+count+" bytes");
}
oos.writeInt(count);
oos.write(ourBytes);
//Save(oos);
} catch (Exception e) {
e.printStackTrace();
}
@@ -784,7 +733,18 @@ public class Variant extends JacobObject implements java.io.Serializable {
*/
private void readObject(java.io.ObjectInputStream ois) {
try {
Load(ois);
// Load will do this if we don't but lets do it
// from here so that the variant is set up exactly
// the same as the ones not created from a stream
init();
int numBytes = ois.readInt();
byte[] ourBytes = new byte[numBytes];
if (JacobObject.isDebugEnabled()){
JacobObject.debug("reading in "+numBytes+" bytes");
}
ois.read(ourBytes);
SerializationReadFromBytes(ourBytes);
//Load(ois);
} catch (Exception e) {
e.printStackTrace();
}
@@ -795,9 +755,18 @@ public class Variant extends JacobObject implements java.io.Serializable {
* @return true if it is null or false if not
*/
public native boolean isNull();
public native void Save(java.io.OutputStream os) throws java.io.IOException;
public native void Load(java.io.InputStream is) throws java.io.IOException;
/**
* this is supposed to create a byte array that represents the underlying
* variant object struct
*/
public native byte[] SerializationWriteToBytes();
/**
* this is supposed to cause the underlying variant object struct to
* be rebuilt from a previously serialized byte array.
* @param ba
*/
public native void SerializationReadFromBytes(byte[] ba);
}

View File

@@ -1,7 +1,6 @@
package com.jacob.com;
import com.jacob.activeX.ActiveXComponent;
import com.jacob.com.ComFailException;
import com.jacob.com.DispatchEvents;
/**
@@ -60,7 +59,7 @@ public class ExcelEventTest extends InvocationProxy {
Dispatch.call(workbook, "Close", f);
axc.invoke("Quit", new Variant[] {});
} catch (ComFailException cfe) {
} catch (ComException cfe) {
cfe.printStackTrace();
System.out.println("Failed to attach to " + pid + ": "
+ cfe.getMessage());

View File

@@ -0,0 +1,61 @@
package com.jacob.com;
import java.io.*;
/**
* Verifies serialization works for variants.
* Variant serialization is BROKEN and has been since 1.7
* <pre>-Djava.library.path=d:/jacob/release</pre>
*/
class VariantSerializationTest {
static Variant vs1 = new Variant("hi");
static Variant vs2 = new Variant(123.456);
public static void main(String[] args) throws Exception {
doJustSerialization();
compareVariantBytes();
}
private static void compareVariantBytes() throws Exception{
System.out.println("compareVariantBytes");
Variant var1 = new Variant("hello");
Variant var2 = new Variant("hello");
byte[] var1Bytes = var1.SerializationWriteToBytes();
byte[] var2Bytes = var2.SerializationWriteToBytes();
for ( int i = 0 ; i < var1Bytes.length; i++){
if (var1Bytes[i]!=var2Bytes[i]){
System.out.println("variant strings differ at position "+i);
return;
}
}
System.out.println("two strings return identical serialization data");
}
private static void doJustSerialization() throws Exception {
System.out.println("doJustSerialization");
// same thing with serialization
FileOutputStream fos;
FileInputStream fis;
fos = new FileOutputStream("foo.ser");
ObjectOutputStream oos = new ObjectOutputStream(fos);
oos.writeObject(vs1);
//oos.writeObject(vs2);
oos.close();
fos.close();
fis = new FileInputStream("foo.ser");
ObjectInputStream ois = new ObjectInputStream(fis);
Variant vss1 = null;
Variant vss2 = null;
vss1 = (Variant) ois.readObject();
//vss2 = (Variant) ois.readObject();
ois.close();
fis.close();
System.out.println(vss1);
System.out.println(vss2);
}
}

View File

@@ -1,8 +1,9 @@
package com.jacob.samples.test;
package com.jacob.com;
import com.jacob.com.*;
class variant_test {
/**
* runs through some of the get and set methods on Variant
*/
class VariantTest {
public static void main(String[] args) {
//deprecated
//System.runFinalizersOnExit(true);

View File

@@ -1,7 +1,7 @@
package com.jacob.com;
import com.jacob.activeX.ActiveXComponent;
import com.jacob.com.ComFailException;
import com.jacob.com.ComException;
import com.jacob.com.DispatchEvents;
/**
@@ -51,7 +51,7 @@ public class WordEventTest extends InvocationProxy {
}
axc.invoke("Quit", new Variant[] {});
} catch (ComFailException cfe) {
} catch (ComException cfe) {
cfe.printStackTrace();
System.out.println("Failed to attach to " + pid + ": "
+ cfe.getMessage());