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quick sketch of java/io/*

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This commit is contained in:
Joel Dice
2007-07-24 18:34:45 -06:00
parent f56fda9af6
commit 97aaa419b4
15 changed files with 327 additions and 26 deletions
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24
classpath/java/lang/String.java
View File

@ -130,6 +130,30 @@ public final class String implements Comparable<String> {
}
}
public byte[] getBytes() {
byte[] b = new byte[length];
getBytes(0, length, b, 0);
return b;
}
public void getBytes(int srcOffset, int srcLength,
byte[] dst, int dstOffset)
{
if (srcOffset + srcLength > length) {
throw new IndexOutOfBoundsException();
}
if (data instanceof char[]) {
char[] src = (char[]) data;
for (int i = 0; i < srcLength; ++i) {
dst[i + dstOffset] = (byte) src[i + offset + srcOffset];
}
} else {
byte[] src = (byte[]) data;
System.arraycopy(src, offset + srcOffset, dst, dstOffset, srcLength);
}
}
public void getChars(int srcOffset, int srcLength,
char[] dst, int dstOffset)
{

11
classpath/java/lang/System.cpp
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@ -5,17 +5,6 @@
#undef JNIEXPORT
#define JNIEXPORT __attribute__ ((visibility("default")))
extern "C" JNIEXPORT void JNICALL
Java_java_lang_System_00024Output_print(JNIEnv* e, jobject, jstring s)
{
jboolean isCopy;
const char* chars = e->GetStringUTFChars(s, &isCopy);
if (chars) {
printf("%s", chars);
}
e->ReleaseStringUTFChars(s, chars);
}
extern "C" JNIEXPORT jstring JNICALL
Java_java_lang_System_getProperty(JNIEnv* e, jstring key)
{

29
classpath/java/lang/System.java
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@ -1,13 +1,27 @@
package java.lang;
public abstract class System {
public static final Output out = new Output();
public static final Output err = out;
import java.io.PrintStream;
import java.io.InputStream;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileDescriptor;
public abstract class System {
static {
loadLibrary("natives");
}
public static final PrintStream out = new PrintStream
(new BufferedOutputStream(new FileOutputStream(FileDescriptor.out)), true);
public static final PrintStream err = new PrintStream
(new BufferedOutputStream(new FileOutputStream(FileDescriptor.err)), true);
public static final InputStream in
= new BufferedInputStream(new FileInputStream(FileDescriptor.in));
public static native void arraycopy(Object src, int srcOffset, Object dst,
int dstOffset, int length);
@ -26,13 +40,4 @@ public abstract class System {
public static void exit(int code) {
Runtime.getRuntime().exit(code);
}
public static class Output {
public synchronized native void print(String s);
public synchronized void println(String s) {
print(s);
print(getProperty("line.separator"));
}
}
}