зеркало из https://github.com/mozilla/gecko-dev.git
108 строки
3.4 KiB
C++
108 строки
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is RaptorCanvas.
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*
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* The Initial Developer of the Original Code is Kirk Baker and
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* Ian Wilkinson. Portions created by Kirk Baker and Ian Wilkinson are
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* Copyright (C) 1999 Kirk Baker and Ian Wilkinson. All
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* Rights Reserved.
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*
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* Contributor(s): Kirk Baker <kbaker@eb.com>
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* Ian Wilkinson <iw@ennoble.com>
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* Mark Lin <mark.lin@eng.sun.com>
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* Mark Goddard
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* Ed Burns <edburns@acm.org>
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* Ashutosh Kulkarni <ashuk@eng.sun.com>
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* Kyle Yuan <kyle.yuan@sun.com>
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*/
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/*
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* NativeInputStreamImpl.cpp
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*/
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#include "org_mozilla_webclient_impl_wrapper_0005fnative_NativeInputStream.h"
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#include <nsIInputStream.h>
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#include "ns_util.h"
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JNIEXPORT jint JNICALL Java_org_mozilla_webclient_impl_wrapper_1native_NativeInputStream_nativeRead
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(JNIEnv *env, jobject obj, jint nativeInputStream, jbyteArray buf, jint off,
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jint len)
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{
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nsIInputStream *stream = (nsIInputStream *) nativeInputStream;
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nsresult rv = NS_OK;
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PRUint32 ret;
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char *cbuf = new char[len];
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jbyte *jbytes = new jbyte[len];
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int i = 0;
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// initialize the array
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for (i = 0; i < len; i++) {
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cbuf[i] = 0;
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jbytes[i] = 0;
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}
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// call the mozilla method
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if (NS_SUCCEEDED(rv = stream->Read(cbuf, len, &ret))) {
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// copy the chars to jbytes
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for (i = 0; i < ret; i++) {
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jbytes[i] = (jbyte) cbuf[i];
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}
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// copy the jbytes to the return back to java
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env->SetByteArrayRegion(buf, off, ret, jbytes);
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}
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else {
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::util_ThrowExceptionToJava(env, "java/io/IOException",
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"can't Read from native Stream");
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}
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return (jint) ret;
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}
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/*
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* Class: org_mozilla_webclient_impl_wrapper_0005fnative_NativeInputStream
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* Method: nativeAvailable
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* Signature: (I)I
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*/
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JNIEXPORT jint JNICALL Java_org_mozilla_webclient_impl_wrapper_1native_NativeInputStream_nativeAvailable
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(JNIEnv *env, jobject obj, jint nativeInputStream)
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{
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nsIInputStream *stream = (nsIInputStream *) nativeInputStream;
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nsresult rv = NS_OK;
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PRUint32 result = -1;
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if (NS_FAILED(rv = stream->Available(&result))) {
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::util_ThrowExceptionToJava(env, "java/io/IOException",
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"can't get Available from native Stream");
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}
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return (jint) result;
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}
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JNIEXPORT void JNICALL Java_org_mozilla_webclient_impl_wrapper_1native_NativeInputStream_nativeClose
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(JNIEnv *env, jobject obj, jint nativeInputStream)
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{
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nsIInputStream *stream = (nsIInputStream *) nativeInputStream;
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nsresult rv = NS_OK;
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PRUint32 result = -1;
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if (NS_SUCCEEDED(rv = stream->Close())) {
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stream->Release();
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}
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else {
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::util_ThrowExceptionToJava(env, "java/io/IOException",
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"can't get Available from native Stream");
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}
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return;
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}
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