hostname code; way off the main branches, but nothing to stop it going in to 1.6 'cept a test or two

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@272757 13f79535-47bb-0310-9956-ffa450edef68

proposal/sandbox/httptasks/src/main/org/apache/tools/ant/taskdefs/optional/http/hostname.java

@@ -0,0 +1,185 @@
+/*
+ *  The Apache Software License, Version 1.1
+ *
+ *  Copyright (c) 2002 The Apache Software Foundation.  All rights
+ *  reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright
+ *  notice, this list of conditions and the following disclaimer.
+ *
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *  notice, this list of conditions and the following disclaimer in
+ *  the documentation and/or other materials provided with the
+ *  distribution.
+ *
+ *  3. The end-user documentation included with the redistribution, if
+ *  any, must include the following acknowlegement:
+ *  "This product includes software developed by the
+ *  Apache Software Foundation (http://www.apache.org/)."
+ *  Alternately, this acknowlegement may appear in the software itself,
+ *  if and wherever such third-party acknowlegements normally appear.
+ *
+ *  4. The names "The Jakarta Project", "Ant", and "Apache Software
+ *  Foundation" must not be used to endorse or promote products derived
+ *  from this software without prior written permission. For written
+ *  permission, please contact apache@apache.org.
+ *
+ *  5. Products derived from this software may not be called "Apache"
+ *  nor may "Apache" appear in their names without prior written
+ *  permission of the Apache Group.
+ *
+ *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ *  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *  DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
+ *  ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ *  USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ *  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ *  OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ *  SUCH DAMAGE.
+ *  ====================================================================
+ *
+ *  This software consists of voluntary contributions made by many
+ *  individuals on behalf of the Apache Software Foundation.  For more
+ *  information on the Apache Software Foundation, please see
+ *  <http://www.apache.org/>.
+ */
+package org.apache.tools.ant.taskdefs.optional.http;
+
+import java.io.*;
+import java.net.*;
+import java.util.*;
+import java.net.Socket;
+import java.net.UnknownHostException;
+import java.net.InetAddress;
+
+import org.apache.tools.ant.*;
+
+/**
+ * trivial task to get the hostname of a box; as IPaddr, hostname, or
+ * fullname.
+ *
+ * @author steve_l@iseran.com Steve Loughran
+ * @created 07 January 2002
+ */
+
+public class Hostname extends Task {
+
+    /**
+     * Description of the Field
+     */
+    private String property;
+
+    /**
+     * Description of the Field
+     */
+    private boolean failonerror = true;
+
+    /**
+     * Description of the Field
+     */
+    private boolean address = false;
+
+
+    /**
+     * Sets the FailOnError attribute of the Hostname object
+     *
+     * @param failonerror The new FailOnError value
+     */
+    public void setFailOnError(boolean failonerror) {
+        this.failonerror = failonerror;
+    }
+
+
+    /**
+     * Sets the Address attribute of the Hostname object
+     *
+     * @param address The new Address value
+     */
+    public void setAddress(boolean address) {
+        this.address = address;
+    }
+
+
+    /**
+     * Does the work.
+     *
+     * @exception BuildException Thrown in unrecoverable error.
+     */
+    public void execute()
+        throws BuildException {
+        if(property==null) {
+           throw new BuildException("Property attribute must be defined"); 
+        }
+        String result;
+        String exception = null;
+        try {
+            if (address) {
+                result = getAddress();
+            }
+            else {
+                result = getHostname();
+            }
+            project.setNewProperty(property, result);
+        } catch (UnknownHostException e) {
+            exception = e;
+        } catch (SecurityException e) {
+            exception = e;
+        }
+        if (e != null) {
+            if (failonerror) {
+                throw new BuildException("resolving hostname", e);
+            }
+            else {
+                log("failed to resolve local hostname", Project.MSG_ERR);
+            }
+        }
+    }
+
+
+    /**
+     * Gets the Address attribute of the Hostname object
+     *
+     * @return The Address value
+     * @exception SecurityException Description of Exception
+     * @exception UnknownHostException Description of Exception
+     */
+    public String getAddress()
+        throws SecurityException, UnknownHostException {
+        return getLocalHostAddress().getHostAddress();
+    }
+
+
+    /**
+     * Gets the Hostname attribute of the Hostname object
+     *
+     * @return The Hostname value
+     * @exception SecurityException Description of Exception
+     * @exception UnknownHostException Description of Exception
+     */
+    public String getHostname()
+        throws SecurityException, UnknownHostException {
+        return getLocalHostAddress().getHostName();
+    }
+
+
+    /**
+     * Gets the LocalHostAddress attribute of the Hostname object
+     *
+     * @return The LocalHostAddress value
+     * @exception UnknownHostException Description of Exception
+     */
+    public InetAddress getLocalHostAddress()
+        throws UnknownHostException {
+        return InetAddress.getLocalHost();
+    }
+
+}
+