diff options
Diffstat (limited to 'libjava/java/net/Inet4Address.java')
| -rw-r--r-- | libjava/java/net/Inet4Address.java | 139 |
1 files changed, 68 insertions, 71 deletions
diff --git a/libjava/java/net/Inet4Address.java b/libjava/java/net/Inet4Address.java index 76abfc3..0a583ef 100644 --- a/libjava/java/net/Inet4Address.java +++ b/libjava/java/net/Inet4Address.java @@ -7,7 +7,7 @@ GNU Classpath is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. - + GNU Classpath 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 @@ -35,12 +35,12 @@ this exception to your version of the library, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version. */ - package java.net; import java.io.ObjectStreamException; import java.util.Arrays; + /** * @author Michael Koch * @date August 3, 2002. @@ -53,7 +53,6 @@ import java.util.Arrays; * RFC 2365 (http://www.ietf.org/rfc/rfc2365.txt) * Status: Believed complete and correct. */ - public final class Inet4Address extends InetAddress { static final long serialVersionUID = 3286316764910316507L; @@ -61,20 +60,20 @@ public final class Inet4Address extends InetAddress /** * needed for serialization */ - private Object writeReplace () throws ObjectStreamException + private Object writeReplace() throws ObjectStreamException { - return new InetAddress (addr, hostName); + return new InetAddress(addr, hostName); } /** * Creates a Inet4Address - * + * * @param addr The IP address * @param host The Hostname */ Inet4Address(byte[] addr, String host) { - super (addr, host); + super(addr, host); } /** @@ -82,37 +81,37 @@ public final class Inet4Address extends InetAddress * * @since 1.1 */ - public boolean isMulticastAddress () + public boolean isMulticastAddress() { - return (addr [0] & 0xF0) == 0xE0; + return (addr[0] & 0xF0) == 0xE0; } - + /** * Checks if this address is a loopback address */ - public boolean isLoopbackAddress () + public boolean isLoopbackAddress() { - return addr [0] == 0x7F; + return addr[0] == 0x7F; } - + /** * Checks if this address is a wildcard address * * @since 1.4 */ - public boolean isAnyLocalAddress () + public boolean isAnyLocalAddress() { byte[] anylocal = { 0, 0, 0, 0 }; - + return Arrays.equals(addr, anylocal); } /** * Checks if this address is a link local address - * + * * @since 1.4 */ - public boolean isLinkLocalAddress () + public boolean isLinkLocalAddress() { // XXX: This seems to not exist with IPv4 addresses return false; @@ -120,36 +119,36 @@ public final class Inet4Address extends InetAddress /** * Checks if this address is a site local address - * + * * @since 1.4 */ - public boolean isSiteLocalAddress () + public boolean isSiteLocalAddress() { // 10.0.0.0/8 - if (addr [0] == 0x0A) + if (addr[0] == 0x0A) return true; // XXX: Suns JDK 1.4.1 (on Linux) seems to have a bug here: // it says 172.16.0.0 - 172.255.255.255 are site local addresses // // 172.16.0.0/12 - if (addr [0] == 0xAC && (addr [1] & 0xF0) == 0x01) + if (addr[0] == 0xAC && (addr[1] & 0xF0) == 0x01) return true; // 192.168.0.0/16 - if (addr [0] == 0xC0 && addr [1] == 0xA8) + if (addr[0] == 0xC0 && addr[1] == 0xA8) return true; - + // XXX: Do we need to check more addresses here ? return false; } /** * Checks if this multicast address has global scope - * + * * @since 1.4 */ - public boolean isMCGlobal () + public boolean isMCGlobal() { // XXX: This seems to net exist with IPv4 addresses return false; @@ -157,120 +156,118 @@ public final class Inet4Address extends InetAddress /** * Checks if this multicast address has node scope - * + * * @since 1.4 */ - public boolean isMCNodeLocal () + public boolean isMCNodeLocal() { // XXX: This seems to net exist with IPv4 addresses return false; } - + /** * Checks if this multicast address has link scope - * + * * @since 1.4 */ - public boolean isMCLinkLocal () + public boolean isMCLinkLocal() { - if (!isMulticastAddress ()) + if (! isMulticastAddress()) return false; - - return (addr [0] == 0xE0) - && (addr [1] == 0x00) - && (addr [2] == 0x00); + + return (addr[0] == 0xE0) && (addr[1] == 0x00) && (addr[2] == 0x00); } - + /** * Checks if this multicast address has site scope - * + * * @since 1.4 */ - public boolean isMCSiteLocal () + public boolean isMCSiteLocal() { // XXX: This seems to net exist with IPv4 addresses return false; } - + /** * Checks if this multicast address has organization scope - * + * * @since 1.4 */ - public boolean isMCOrgLocal () + public boolean isMCOrgLocal() { // XXX: This seems to net exist with IPv4 addresses return false; } - + /** * Returns the address of the current instance */ - public byte[] getAddress () + public byte[] getAddress() { return addr; } - + /** * Returns the address as string - * + * * @since 1.0.2 */ - public String getHostAddress () + public String getHostAddress() { - StringBuffer sbuf = new StringBuffer (40); + StringBuffer sbuf = new StringBuffer(40); int len = addr.length; int i = 0; - - for ( ; ; ) + + for (;;) { - sbuf.append (addr [i] & 0xFF); + sbuf.append(addr[i] & 0xFF); i++; - + if (i == len) break; - - sbuf.append ('.'); + + sbuf.append('.'); } - - return sbuf.toString (); + + return sbuf.toString(); } - + /** * Computes the hashcode of the instance */ - public int hashCode () + public int hashCode() { int hash = 0; int len = addr.length; int i = len > 4 ? len - 4 : 0; - - for ( ; i < len; i++) - hash = (hash << 8) | (addr [i] & 0xFF); - + + for (; i < len; i++) + hash = (hash << 8) | (addr[i] & 0xFF); + return hash; } - + /** * Compare the current Inet4Address instance with obj - * + * * @param obj Object to compare with */ - public boolean equals (Object obj) + public boolean equals(Object obj) { if (! (obj instanceof InetAddress)) return false; - + byte[] addr1 = addr; byte[] addr2 = ((InetAddress) obj).addr; - + if (addr1.length != addr2.length) return false; - - for (int i = addr1.length; --i >= 0; ) - if (addr1 [i] != addr2 [i]) - return false; - + + for (int i = addr1.length; --i >= 0;) + if (addr1[i] != addr2[i]) + return false; + return true; } } // class Inet4Address |