Add helpers for looking up ServiceConfig(s) by exe name

bindings/java/src/org/hyperic/sigar/win32/Service.java

@@ -18,8 +18,11 @@
 
 package org.hyperic.sigar.win32;
 
+import java.io.File;
+import java.io.FileFilter;
 import java.io.PrintStream;
 import java.util.Arrays;
+import java.util.ArrayList;
 import java.util.List;
 
 public class Service extends Win32 {
@@ -102,6 +105,51 @@ public class Service extends Win32 {
 
     public static native List getServiceNames() throws Win32Exception;
 
+    private static class ExeFilter implements FileFilter {
+        private String name;
+        private ExeFilter(String name) {
+            this.name = name.toLowerCase();
+        }
+
+        public boolean accept(File file) {
+            return this.name.equals(file.getName().toLowerCase());
+        }
+    }
+
+    public static List getServiceConfigs(String exe)
+        throws Win32Exception {
+
+        return getServiceConfigs(new ExeFilter(exe));
+    }
+
+    public static List getServiceConfigs(FileFilter filter)
+        throws Win32Exception {
+
+        List services = new ArrayList();
+        List names = Service.getServiceNames();
+
+        for (int i=0; i<names.size(); i++) {
+            Service service = null;
+            try {
+                service = new Service((String)names.get(i));
+                ServiceConfig config = service.getConfig();
+                String path = config.getExe().trim();
+                if (!filter.accept(new File(path))) {
+                    continue;
+                }
+                services.add(config);
+            } catch (Win32Exception e){
+                continue;
+            } finally {
+                if (service != null) {
+                    service.close();
+                }
+            }
+        }
+
+        return services;
+    }
+
     public Service(String serviceName) throws Win32Exception
     {
         this();
@@ -339,18 +387,8 @@ public class Service extends Win32 {
                                                      ServiceConfig config) throws Win32Exception;
 
     public void list(PrintStream out) throws Win32Exception {
-        ServiceConfig config = getConfig();
+        getConfig().list(out);
-        out.println("name..........[" + config.getName() + "]");
-        out.println("display.......[" + config.getDisplayName() + "]");
-        out.println("description...[" + config.getDescription() + "]");
         out.println("status........[" + getStatusString() + "]");
-        out.println("start type....[" + config.getStartTypeString() + "]");
-        out.println("start name....[" + config.getStartName() + "]"); 
-
-        out.println("type.........."  + config.getTypeList());
-        out.println("path..........[" + config.getPath() + "]");
-        out.println("deps.........."  + Arrays.asList(config.getDependencies()));
-        out.println("error ctl.....[" + config.getErrorControlString() + "]");
     }
     
     public static void main(String[] args) throws Exception {
@@ -372,6 +410,15 @@ public class Service extends Win32 {
             System.out.println(service.getStatusString());
             return;
         }
+        else if ((args.length == 1) && (args[0].endsWith(EXE_EXT))) {
+            services = getServiceConfigs(args[0]);
+            for (int i=0; i<services.size(); i++) {
+                ServiceConfig config = (ServiceConfig)services.get(i);
+                config.list(System.out);
+                System.out.println("");
+            }
+            return;
+        }
         else {
             services = Arrays.asList(args);
         }

bindings/java/src/org/hyperic/sigar/win32/ServiceConfig.java

@@ -18,6 +18,8 @@
 
 package org.hyperic.sigar.win32;
 
+import java.io.PrintStream;
+import java.util.Arrays;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -113,7 +115,7 @@ public class ServiceConfig {
     String description;
     String password;
     String name;
-
+    String[] argv = null;
     ServiceConfig() {}
 
     public ServiceConfig(String name) {
@@ -140,6 +142,24 @@ public class ServiceConfig {
     public void setPath(String path) {
         this.path = path;
     }
+
+    public String[] getArgv() {
+        if (this.argv == null) {
+            this.argv = Win32.parseCommandLine(getPath());
+        }
+        return this.argv;
+    }
+
+    public String getExe() {
+        String[] args = getArgv();
+        if (args.length == 0) {
+            return null;
+        }
+        else {
+            return args[0];
+        }
+    }
+
     /**
      * @return Returns the dependencies.
      */
@@ -314,4 +334,18 @@ public class ServiceConfig {
     public void setName(String name) {
         this.name = name;
     }
+
+    public void list(PrintStream out) throws Win32Exception {
+        out.println("name..........[" + getName() + "]");
+        out.println("display.......[" + getDisplayName() + "]");
+        out.println("description...[" + getDescription() + "]");
+        out.println("start type....[" + getStartTypeString() + "]");
+        out.println("start name....[" + getStartName() + "]"); 
+
+        out.println("type.........."  + getTypeList());
+        out.println("path..........[" + getPath() + "]");
+        out.println("exe...........[" + getExe() + "]");
+        out.println("deps.........."  + Arrays.asList(getDependencies()));
+        out.println("error ctl.....[" + getErrorControlString() + "]");
+    }
 }

bindings/java/src/org/hyperic/sigar/win32/Win32.java

@@ -19,12 +19,16 @@
 package org.hyperic.sigar.win32;
 
 import java.io.File;
-
+import java.util.ArrayList;
+import java.util.StringTokenizer;
 import org.hyperic.sigar.Sigar;
 import org.hyperic.sigar.SigarException;
 
 public abstract class Win32 {
 
+    public static final String EXE_EXT = ".exe";
+    private static final String EXE_EXT_U = EXE_EXT.toUpperCase();
+
     static {
         try {
             Sigar.load();
@@ -78,6 +82,54 @@ public abstract class Win32 {
         return exe;
     }
 
+    public static String[] parseCommandLine(String args) {
+        ArrayList res = new ArrayList();
+        StringTokenizer quoteTok;
+        boolean inQuote = false;
+
+        if ((args == null) ||
+            ((args = args.trim()).length() == 0))
+        {
+            return new String[0];
+        }
+            
+        if (!args.startsWith("\"") &&
+            (args.endsWith(EXE_EXT) ||
+             args.endsWith(EXE_EXT_U)) &&
+            new File(args).exists())
+        {
+            return new String[] { args };
+        }
+
+        quoteTok = new StringTokenizer(args, "\"", true);
+
+        while (quoteTok.hasMoreTokens()) {
+            String elem = (String)quoteTok.nextElement();
+
+            if (elem.equals("\"")) {
+                inQuote = !inQuote;
+                continue;
+            }
+
+            if (inQuote) {
+                res.add(elem);
+            }
+            else {
+                StringTokenizer spaceTok = new StringTokenizer(elem.trim());
+
+                while (spaceTok.hasMoreTokens()) {
+                    res.add(spaceTok.nextToken());
+                }
+            }
+        }
+        
+        if (inQuote) {
+            throw new IllegalArgumentException("Unbalanced quotation marks");
+        }
+
+        return (String[])res.toArray(new String[0]);
+    }
+
     public static void main(String[] args) throws Exception {
         for (int i=0; i<args.length; i++) {
             String file =