diff options
Diffstat (limited to 'lib/jinterface/java_src/com/ericsson/otp/erlang/AbstractNode.java')
| -rw-r--r-- | lib/jinterface/java_src/com/ericsson/otp/erlang/AbstractNode.java | 170 |
1 files changed, 85 insertions, 85 deletions
diff --git a/lib/jinterface/java_src/com/ericsson/otp/erlang/AbstractNode.java b/lib/jinterface/java_src/com/ericsson/otp/erlang/AbstractNode.java index 3bb1bbbd18..6f07d8171e 100644 --- a/lib/jinterface/java_src/com/ericsson/otp/erlang/AbstractNode.java +++ b/lib/jinterface/java_src/com/ericsson/otp/erlang/AbstractNode.java @@ -1,20 +1,20 @@ /* * %CopyrightBegin% - * + * * Copyright Ericsson AB 2000-2014. All Rights Reserved. - * + * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in * compliance with the License. You should have received a copy of the * Erlang Public License along with this software. If not, it can be * retrieved online at http://www.erlang.org/. - * + * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See * the License for the specific language governing rights and limitations * under the License. - * - * %CopyrightEnd% + * + * %CopyrightEnd% */ package com.ericsson.otp.erlang; @@ -29,7 +29,7 @@ import java.net.UnknownHostException; * <p> * Represents an OTP node. * </p> - * + * * <p> * About nodenames: Erlang nodenames consist of two components, an alivename and * a hostname separated by '@'. Additionally, there are two nodename formats: @@ -40,7 +40,7 @@ import java.net.UnknownHostException; * however Jinterface makes no distinction. See the Erlang documentation for * more information about nodenames. * </p> - * + * * <p> * The constructors for the AbstractNode classes will create names exactly as * you provide them as long as the name contains '@'. If the string you provide @@ -48,7 +48,7 @@ import java.net.UnknownHostException; * host will be appended, resulting in a shortname. Nodenames longer than 255 * characters will be truncated without warning. * </p> - * + * * <p> * Upon initialization, this class attempts to read the file .erlang.cookie in * the user's home directory, and uses the trimmed first line of the file as the @@ -58,7 +58,7 @@ import java.net.UnknownHostException; * using the system property "user.home", which may not be automatically set on * all platforms. * </p> - * + * * <p> * Instances of this class cannot be created directly, use one of the subclasses * instead. @@ -100,50 +100,50 @@ public class AbstractNode { int distLow = 5; // Cannot talk to nodes before R6 int creation = 0; int flags = dFlagExtendedReferences | dFlagExtendedPidsPorts - | dFlagBitBinaries | dFlagNewFloats | dFlagFunTags - | dflagNewFunTags | dFlagUtf8Atoms | dFlagMapTag; + | dFlagBitBinaries | dFlagNewFloats | dFlagFunTags + | dflagNewFunTags | dFlagUtf8Atoms | dFlagMapTag; /* initialize hostname and default cookie */ static { - try { - localHost = InetAddress.getLocalHost().getHostName(); - /* - * Make sure it's a short name, i.e. strip of everything after first - * '.' - */ - final int dot = localHost.indexOf("."); - if (dot != -1) { - localHost = localHost.substring(0, dot); - } - } catch (final UnknownHostException e) { - localHost = "localhost"; - } + try { + localHost = InetAddress.getLocalHost().getHostName(); + /* + * Make sure it's a short name, i.e. strip of everything after first + * '.' + */ + final int dot = localHost.indexOf("."); + if (dot != -1) { + localHost = localHost.substring(0, dot); + } + } catch (final UnknownHostException e) { + localHost = "localhost"; + } - final String homeDir = getHomeDir(); - final String dotCookieFilename = homeDir + File.separator + final String homeDir = getHomeDir(); + final String dotCookieFilename = homeDir + File.separator + ".erlang.cookie"; - BufferedReader br = null; + BufferedReader br = null; - try { - final File dotCookieFile = new File(dotCookieFilename); + try { + final File dotCookieFile = new File(dotCookieFilename); - br = new BufferedReader(new FileReader(dotCookieFile)); - final String line = br.readLine(); - if (line == null) { - defaultCookie = ""; - } else { - defaultCookie = line.trim(); - } - } catch (final IOException e) { - defaultCookie = ""; - } finally { - try { - if (br != null) { - br.close(); - } - } catch (final IOException e) { - } - } + br = new BufferedReader(new FileReader(dotCookieFile)); + final String line = br.readLine(); + if (line == null) { + defaultCookie = ""; + } else { + defaultCookie = line.trim(); + } + } catch (final IOException e) { + defaultCookie = ""; + } finally { + try { + if (br != null) { + br.close(); + } + } catch (final IOException e) { + } + } } protected AbstractNode() { @@ -153,119 +153,119 @@ public class AbstractNode { * Create a node with the given name and the default cookie. */ protected AbstractNode(final String node) { - this(node, defaultCookie); + this(node, defaultCookie); } /** * Create a node with the given name and cookie. */ protected AbstractNode(final String name, final String cookie) { - this.cookie = cookie; + this.cookie = cookie; - final int i = name.indexOf('@', 0); - if (i < 0) { - alive = name; - host = localHost; - } else { - alive = name.substring(0, i); - host = name.substring(i + 1, name.length()); - } + final int i = name.indexOf('@', 0); + if (i < 0) { + alive = name; + host = localHost; + } else { + alive = name.substring(0, i); + host = name.substring(i + 1, name.length()); + } - if (alive.length() > 0xff) { - alive = alive.substring(0, 0xff); - } + if (alive.length() > 0xff) { + alive = alive.substring(0, 0xff); + } - node = alive + "@" + host; + node = alive + "@" + host; } /** * Get the name of this node. - * + * * @return the name of the node represented by this object. */ public String node() { - return node; + return node; } /** * Get the hostname part of the nodename. Nodenames are composed of two * parts, an alivename and a hostname, separated by '@'. This method returns * the part of the nodename following the '@'. - * + * * @return the hostname component of the nodename. */ public String host() { - return host; + return host; } /** * Get the alivename part of the hostname. Nodenames are composed of two * parts, an alivename and a hostname, separated by '@'. This method returns * the part of the nodename preceding the '@'. - * + * * @return the alivename component of the nodename. */ public String alive() { - return alive; + return alive; } /** * Get the authorization cookie used by this node. - * + * * @return the authorization cookie used by this node. */ public String cookie() { - return cookie; + return cookie; } // package scope int type() { - return ntype; + return ntype; } // package scope int distHigh() { - return distHigh; + return distHigh; } // package scope int distLow() { - return distLow; + return distLow; } // package scope: useless information? int proto() { - return proto; + return proto; } // package scope int creation() { - return creation; + return creation; } /** * Set the authorization cookie used by this node. - * + * * @return the previous authorization cookie used by this node. */ public String setCookie(final String cookie) { - final String prev = this.cookie; - this.cookie = cookie; - return prev; + final String prev = this.cookie; + this.cookie = cookie; + return prev; } @Override public String toString() { - return node(); + return node(); } private static String getHomeDir() { - final String home = System.getProperty("user.home"); - if (System.getProperty("os.name").toLowerCase().contains("windows")) { - final String drive = System.getenv("HOMEDRIVE"); - final String path = System.getenv("HOMEPATH"); - return (drive != null && path != null) ? drive + path : home; - } - return home; + final String home = System.getProperty("user.home"); + if (System.getProperty("os.name").toLowerCase().contains("windows")) { + final String drive = System.getenv("HOMEDRIVE"); + final String path = System.getenv("HOMEPATH"); + return drive != null && path != null ? drive + path : home; + } + return home; } } |