提交 fd4ec021 编写于 作者: W wetmore

Merge

......@@ -60,16 +60,9 @@ class StringCharBuffer // package-private
str = s;
}
private StringCharBuffer(CharSequence s, int mark,
int pos, int limit, int cap)
{
super(mark, pos, limit, cap);
str = s;
}
public CharBuffer duplicate() {
return new StringCharBuffer(str, markValue(),
position(), limit(), capacity());
position(), limit(), capacity(), offset);
}
public CharBuffer asReadOnlyBuffer() {
......@@ -77,11 +70,11 @@ class StringCharBuffer // package-private
}
public final char get() {
return str.charAt(nextGetIndex());
return str.charAt(nextGetIndex() + offset);
}
public final char get(int index) {
return str.charAt(checkIndex(index));
return str.charAt(checkIndex(index) + offset);
}
// ## Override bulk get methods for better performance
......@@ -103,15 +96,16 @@ class StringCharBuffer // package-private
}
final String toString(int start, int end) {
return str.toString().substring(start, end);
return str.toString().substring(start + offset, end + offset);
}
public final CharSequence subSequence(int start, int end) {
try {
int pos = position();
return new StringCharBuffer(str,
return new StringCharBuffer(str, -1,
pos + checkIndex(start, pos),
pos + checkIndex(end, pos));
pos + checkIndex(end, pos),
remaining(), offset);
} catch (IllegalArgumentException x) {
throw new IndexOutOfBoundsException();
}
......
......@@ -32,9 +32,8 @@ import java.security.AccessController;
import java.security.Permission;
import java.security.PrivilegedAction;
import java.util.Iterator;
import sun.misc.Service;
import sun.misc.ServiceConfigurationError;
import java.util.ServiceLoader;
import java.util.ServiceConfigurationError;
// These imports needed only as a workaround for a JavaDoc bug
import java.lang.RuntimePermission;
......@@ -274,12 +273,14 @@ public abstract class Preferences {
private static PreferencesFactory factory1() {
// 2. Try service provider interface
Iterator i = Service.providers(PreferencesFactory.class,
ClassLoader.getSystemClassLoader());
Iterator<PreferencesFactory> itr = ServiceLoader
.load(PreferencesFactory.class, ClassLoader.getSystemClassLoader())
.iterator();
// choose first provider instance
while (i.hasNext()) {
while (itr.hasNext()) {
try {
return (PreferencesFactory) i.next();
return itr.next();
} catch (ServiceConfigurationError sce) {
if (sce.getCause() instanceof SecurityException) {
// Ignore the security exception, try the next provider
......
......@@ -31,6 +31,7 @@
#include <sys/stat.h>
#include "sun_nio_ch_FileChannelImpl.h"
#include "java_lang_Integer.h"
#include "java_lang_Long.h"
#include "nio.h"
#include "nio_util.h"
#include <dlfcn.h>
......@@ -291,7 +292,11 @@ Java_sun_nio_ch_FileChannelImpl_lock0(JNIEnv *env, jobject this, jobject fdo,
struct flock64 fl;
fl.l_whence = SEEK_SET;
fl.l_len = (off64_t)size;
if (size == (jlong)java_lang_Long_MAX_VALUE) {
fl.l_len = (off64_t)0;
} else {
fl.l_len = (off64_t)size;
}
fl.l_start = (off64_t)pos;
if (shared == JNI_TRUE) {
fl.l_type = F_RDLCK;
......@@ -325,7 +330,11 @@ Java_sun_nio_ch_FileChannelImpl_release0(JNIEnv *env, jobject this,
int cmd = F_SETLK64;
fl.l_whence = SEEK_SET;
fl.l_len = (off64_t)size;
if (size == (jlong)java_lang_Long_MAX_VALUE) {
fl.l_len = (off64_t)0;
} else {
fl.l_len = (off64_t)size;
}
fl.l_start = (off64_t)pos;
fl.l_type = F_UNLCK;
lockResult = fcntl(fd, cmd, &fl);
......
......@@ -53,6 +53,57 @@ public class StringCharBufferSliceTest {
buff = CharBuffer.wrap(in, 3, in.length());
test(buff, buff.slice());
System.out.println(
">>> StringCharBufferSliceTest-main: testing slice result with get()");
buff.position(4);
buff.limit(7);
CharBuffer slice = buff.slice();
for (int i = 0; i < 3; i++) {
if (slice.get() != buff.get()) {
throw new RuntimeException("Wrong characters in slice result.");
}
}
System.out.println(
">>> StringCharBufferSliceTest-main: testing slice result with get(int)");
buff.position(4);
buff.limit(7);
slice = buff.slice();
for (int i = 0; i < 3; i++) {
if (slice.get(i) != buff.get(4 + i)) {
throw new RuntimeException("Wrong characters in slice result.");
}
}
System.out.println(
">>> StringCharBufferSliceTest-main: testing toString.");
buff.position(4);
buff.limit(7);
slice = buff.slice();
if (! slice.toString().equals("tes")) {
throw new RuntimeException("bad toString() after slice(): " + slice.toString());
}
System.out.println(
">>> StringCharBufferSliceTest-main: testing subSequence.");
buff.position(4);
buff.limit(8);
slice = buff.slice();
CharSequence subSeq = slice.subSequence(1, 3);
if (subSeq.charAt(0) != 'e' || subSeq.charAt(1) != 's') {
throw new RuntimeException("bad subSequence() after slice(): '" + subSeq + "'");
}
System.out.println(
">>> StringCharBufferSliceTest-main: testing duplicate.");
buff.position(4);
buff.limit(8);
slice = buff.slice();
CharBuffer dupe = slice.duplicate();
if (dupe.charAt(0) != 't' || dupe.charAt(1) != 'e'
|| dupe.charAt(2) != 's' || dupe.charAt(3) != 't') {
throw new RuntimeException("bad duplicate() after slice(): '" + dupe + "'");
}
System.out.println(">>> StringCharBufferSliceTest-main: done!");
}
......
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