diff options
author | doko <doko@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-06-03 23:18:43 +0000 |
---|---|---|
committer | doko <doko@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-06-03 23:18:43 +0000 |
commit | 5bf762459121cc397663d22498d62d71fa179ef6 (patch) | |
tree | a9c9e7d91c484d53fe154f9285fc57325572ce50 /libjava/classpath/vm/reference/java/util/VMTimeZone.java | |
parent | 6d7301dc346a198a89ac987c1008aac09f191ee6 (diff) | |
download | ppe42-gcc-5bf762459121cc397663d22498d62d71fa179ef6.tar.gz ppe42-gcc-5bf762459121cc397663d22498d62d71fa179ef6.zip |
libjava/classpath/ChangeLog.gcj:
2007-05-31 Matthias Klose <doko@ubuntu.com>
* javax/management/NotificationBroadcasterSupport.java
(getNotificationInfo): Add cast.
* native/jni/qt-peer/Makefile.am (AM_CXXFLAGS): Add libstdc++ include
directories.
* native/jni/qt-peer/Makefile.in: Regenerate.
libjava/ChangeLog:
2007-06-03 Matthias Klose <doko@ubuntu.com>
* java/io/natFileWin32.cc (setFilePermissions): New (stub only).
_access: Handle EXEC query, stub only.
2007-06-03 Matthias Klose <doko@ubuntu.com>
Merged from classpath:
* gnu/java/nio/SelectorProviderImpl.java: Whitespace merge.
* java/lang/System.java(inheritedChannel): New.
* java/lang/Character.java: Remove stray`;'.
* java/net/MulticastSocket.java: Merged.
* java/text/DateFormatSymbols.java(getInstance): New, comment updates.
* java/text/Collator.java(getInstance): Merged.
* java/util/Calendar.java: New attributes ALL_STYLES, SHORT, LONG.
getDisplayName, getDisplayNames: New.
* java/util/logging/Logger.java: Merged.
* Regenerate .class and .h files.
2007-06-03 Matthias Klose <doko@ubuntu.com>
* java/io/File.java: Merge with classpath-0.95, new method
setFilePermissions, new attribute EXEC.
* java/io/natFilePosix.cc (setFilePermissions): New.
_access: Handle EXEC query.
* classpath/lib/java/io/File.class, java/io/File.h: Regenerate.
2007-06-03 Matthias Klose <doko@ubuntu.com>
Imported GNU Classpath 0.95.
* classpath/Makefile.in,
classpath/native/jni/midi-dssi/Makefile.in,
classpath/native/jni/classpath/Makefile.in,
classpath/native/jni/Makefile.in,
classpath/native/jni/gconf-peer/Makefile.in,
classpath/native/jni/java-io/Makefile.in,
classpath/native/jni/native-lib/Makefile.in,
classpath/native/jni/java-util/Makefile.in,
classpath/native/jni/midi-alsa/Makefile.in,
classpath/native/jni/java-lang/Makefile.in,
classpath/native/jni/java-nio/Makefile.in,
classpath/native/jni/java-net/Makefile.in,
classpath/native/jni/xmlj/Makefile.in,
classpath/native/jni/qt-peer/Makefile.in,
classpath/native/jni/gtk-peer/Makefile.in,
classpath/native/Makefile.in, classpath/native/jawt/Makefile.in,
classpath/native/fdlibm/Makefile.in,
classpath/native/plugin/Makefile.in,
classpath/resource/Makefile.in, classpath/scripts/Makefile.in,
classpath/tools/Makefile.in, classpath/doc/Makefile.in,
classpath/doc/api/Makefile.in, classpath/lib/Makefile.in,
classpath/external/Makefile.in, classpath/external/jsr166/Makefile.in,
classpath/external/sax/Makefile.in,
classpath/external/w3c_dom/Makefile.in,
classpath/external/relaxngDatatype/Makefile.in,
classpath/include/Makefile.in,
classpath/examples/Makefile.in: Regenerate.
* classpath/config.guess, classpath/config.sub,
classpath/ltmain.sh : Update.
* classpath/configure, classpath/depcomp, classpath/missing,
classpath/aclocal.m4, classpath/install-sh: Regenerate.
* gnu/classpath/Configuration.java (CLASSPATH_VERSION): Now 0.95.
* sources.am: Regenerate.
* Makefile.in: Regenerate.
* Update the .class files and generated CNI header files, add new
.class and generated CNI header files.
* Remove generated files for removed java source files:
classpath/gnu/java/net/BASE64.java,
classpath/gnu/java/security/util/Base64.java,
classpath/gnu/java/awt/peer/gtk/GThreadMutex.java,
classpath/gnu/java/awt/peer/gtk/GThreadNativeMethodRunner.java,
classpath/gnu/java/awt/font/autofit/Scaler.java,
classpath/gnu/classpath/jdwp/util/Value.java,
classpath/gnu/javax/net/ssl/Base64.java.
* Remove empty directories.
* Makefile.am(nat_source_files): Add natVMOperatingSystemMXBeanImpl.cc.
* java/lang/Class.java(setAccessible): Merge from classpath.
* java/util/Locale.java: Remove.
* gnu/java/lang/management/VMOperatingSystemMXBeanImpl.java,
gnu/java/lang/management/natVMOperatingSystemMXBeanImpl.cc: New.
* gcj/javaprims.h: Update class declarations.
* scripts/classes.pl: Update usage.
* HACKING: Mention to build all peers.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@125302 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libjava/classpath/vm/reference/java/util/VMTimeZone.java')
-rw-r--r-- | libjava/classpath/vm/reference/java/util/VMTimeZone.java | 219 |
1 files changed, 87 insertions, 132 deletions
diff --git a/libjava/classpath/vm/reference/java/util/VMTimeZone.java b/libjava/classpath/vm/reference/java/util/VMTimeZone.java index 86b62584307..992ecaf28a8 100644 --- a/libjava/classpath/vm/reference/java/util/VMTimeZone.java +++ b/libjava/classpath/vm/reference/java/util/VMTimeZone.java @@ -1,5 +1,5 @@ /* java.util.VMTimeZone - Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004 + Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007 Free Software Foundation, Inc. This file is part of GNU Classpath. @@ -40,6 +40,9 @@ exception statement from your version. */ package java.util; import gnu.classpath.Configuration; +import gnu.classpath.SystemProperties; +import gnu.java.util.ZoneInfo; +import java.util.TimeZone; import java.io.*; @@ -75,9 +78,10 @@ final class VMTimeZone * The reference implementation which is made for GNU/Posix like * systems calls <code>System.getenv("TZ")</code>, * <code>readTimeZoneFile("/etc/timezone")</code>, - * <code>readtzFile("/etc/localtime")</code> and finally - * <code>getSystemTimeZoneId()</code> till a supported TimeZone is - * found through <code>TimeZone.getDefaultTimeZone(String)</code>. + * <code>ZoneInfo.readTZFile((String)null, "/etc/localtime")</code> + * and finally <code>getSystemTimeZoneId()</code> till a supported + * TimeZone is found through + * <code>TimeZone.getDefaultTimeZone(String)</code>. * If every method fails <code>null</code> is returned (which means * the TimeZone code will fall back on GMT as default time zone). * <p> @@ -108,9 +112,51 @@ final class VMTimeZone // Try to parse /etc/localtime if (zone == null) { - tzid = readtzFile("/etc/localtime"); - if (tzid != null && !tzid.equals("")) - zone = TimeZone.getDefaultTimeZone(tzid); + zone = ZoneInfo.readTZFile((String) null, "/etc/localtime"); + if (zone != null) + { + // Try to find a more suitable ID for the /etc/localtime + // timezone. + // Sometimes /etc/localtime is a symlink to some + // /usr/share/zoneinfo/ file. + String id = null; + try + { + id = new File("/etc/localtime").getCanonicalPath(); + if (id != null) + { + String zoneinfo_dir + = SystemProperties.getProperty("gnu.java.util.zoneinfo.dir"); + if (zoneinfo_dir != null) + zoneinfo_dir + = new File(zoneinfo_dir + + File.separatorChar).getCanonicalPath(); + if (zoneinfo_dir != null && id.startsWith(zoneinfo_dir)) + { + int pos = zoneinfo_dir.length(); + while (pos < id.length() + && id.charAt(pos) == File.separatorChar) + pos++; + if (pos < id.length()) + id = id.substring(pos); + else + id = null; + } + else + id = null; + } + } + catch (IOException ioe) + { + id = null; + } + + if (id == null) + id = readSysconfigClockFile("/etc/sysconfig/clock"); + + if (id != null) + zone.setID(id); + } } // Try some system specific way @@ -186,121 +232,46 @@ final class VMTimeZone } /** - * Tries to read a file as a "standard" tzfile and return a time - * zone id string as expected by <code>getDefaultTimeZone(String)</code>. - * If the file doesn't exist, an IOException occurs or it isn't a tzfile - * that can be parsed null is returned. - * <p> - * The tzfile structure (as also used by glibc) is described in the Olson - * tz database archive as can be found at - * <code>ftp://elsie.nci.nih.gov/pub/</code>. + * Tries to read the time zone name from a file. + * If the file cannot be read or an IOException occurs null is returned. * <p> - * At least the following platforms support the tzdata file format - * and /etc/localtime (GNU/Linux, Darwin, Solaris and FreeBSD at - * least). Some systems (like Darwin) don't start the file with the - * required magic bytes 'TZif', this implementation can handle - * that). + * The /etc/sysconfig/clock file is not standard, but a lot of systems + * have it. The file is included by shell scripts and the timezone + * name is defined in ZONE variable. + * This routine should grok it with or without quotes: + * ZONE=America/New_York + * or + * ZONE="Europe/London" */ - private static String readtzFile(String file) + private static String readSysconfigClockFile(String file) { - File f = new File(file); - if (!f.exists()) - return null; - - DataInputStream dis = null; + BufferedReader br = null; try { - FileInputStream fis = new FileInputStream(f); - BufferedInputStream bis = new BufferedInputStream(fis); - dis = new DataInputStream(bis); - - // Make sure we are reading a tzfile. - byte[] tzif = new byte[4]; - dis.readFully(tzif); - if (tzif[0] == 'T' && tzif[1] == 'Z' - && tzif[2] == 'i' && tzif[3] == 'f') - // Reserved bytes, ttisgmtcnt, ttisstdcnt and leapcnt - skipFully(dis, 16 + 3 * 4); - else - // Darwin has tzdata files that don't start with the TZif marker - skipFully(dis, 16 + 3 * 4 - 4); - - int timecnt = dis.readInt(); - int typecnt = dis.readInt(); - if (typecnt > 0) + FileInputStream fis = new FileInputStream(file); + BufferedInputStream bis = new BufferedInputStream(fis); + br = new BufferedReader(new InputStreamReader(bis)); + + for (String line = br.readLine(); line != null; line = br.readLine()) { - int charcnt = dis.readInt(); - // Transition times plus indexed transition times. - skipFully(dis, timecnt * (4 + 1)); - - // Get last gmt_offset and dst/non-dst time zone names. - int abbrind = -1; - int dst_abbrind = -1; - int gmt_offset = 0; - while (typecnt-- > 0) - { - // gmtoff - int offset = dis.readInt(); - int dst = dis.readByte(); - if (dst == 0) - { - abbrind = dis.readByte(); - gmt_offset = offset; - } - else - dst_abbrind = dis.readByte(); - } - - // gmt_offset is the offset you must add to UTC/GMT to - // get the local time, we need the offset to add to - // the local time to get UTC/GMT. - gmt_offset *= -1; - - // Turn into hours if possible. - if (gmt_offset % 3600 == 0) - gmt_offset /= 3600; - - if (abbrind >= 0) + line = line.trim(); + if (line.length() < 8 || !line.startsWith("ZONE=")) + continue; + int posstart = 6; + int posend; + if (line.charAt(5) == '"') + posend = line.indexOf('"', 6); + else if (line.charAt(5) == '\'') + posend = line.indexOf('\'', 6); + else { - byte[] names = new byte[charcnt]; - dis.readFully(names); - int j = abbrind; - while (j < charcnt && names[j] != 0) - j++; - - String zonename = new String(names, abbrind, j - abbrind, - "ASCII"); - - String dst_zonename; - if (dst_abbrind >= 0) - { - j = dst_abbrind; - while (j < charcnt && names[j] != 0) - j++; - dst_zonename = new String(names, dst_abbrind, - j - dst_abbrind, "ASCII"); - } - else - dst_zonename = ""; - - // Only use gmt offset when necessary. - // Also special case GMT+/- timezones. - String offset_string; - if ("".equals(dst_zonename) - && (gmt_offset == 0 - || zonename.startsWith("GMT+") - || zonename.startsWith("GMT-"))) - offset_string = ""; - else - offset_string = Integer.toString(gmt_offset); - - String id = zonename + offset_string + dst_zonename; - - return id; + posstart = 5; + posend = line.length(); } + if (posend < 0) + return null; + return line.substring(posstart, posend); } - - // Something didn't match while reading the file. return null; } catch (IOException ioe) @@ -312,31 +283,15 @@ final class VMTimeZone { try { - if (dis != null) - dis.close(); + if (br != null) + br.close(); } - catch(IOException ioe) + catch (IOException ioe) { // Error while close, nothing we can do. } } } - - /** - * Skips the requested number of bytes in the given InputStream. - * Throws EOFException if not enough bytes could be skipped. - * Negative numbers of bytes to skip are ignored. - */ - private static void skipFully(InputStream is, long l) throws IOException - { - while (l > 0) - { - long k = is.skip(l); - if (k <= 0) - throw new EOFException(); - l -= k; - } - } /** * Tries to get the system time zone id through native code. |