suspect-manager: dynamic polygon check

brouter-server/src/main/java/btools/server/Area.java

@@ -0,0 +1,76 @@
+package btools.server;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileReader;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+public class Area
+{
+  private List<Polygon> poslist  = new ArrayList<Polygon>();
+  private List<Polygon> neglist  = new ArrayList<Polygon>();
+
+  public static void main( String[] args ) throws IOException
+  {
+    Area a = new Area( new File( args[0] ) );
+    
+    System.out.println( args[1] + " is in " + args[0] + "=" + a.isInArea( Long.parseLong( args[1] ) ) );
+  }
+  
+  public Area( File f ) throws IOException
+  {
+    BufferedReader br = new BufferedReader( new FileReader( f ) );
+    br.readLine();
+    
+    for(;;)
+    {
+      String head = br.readLine();
+      if ( head == null || "END".equals( head ) )
+      {
+        break;
+      }
+      Polygon pol = new Polygon( br );
+      if ( head.startsWith( "!" ) )
+      {
+        neglist.add( pol );
+      }
+      else
+      {
+        poslist.add( pol );
+      }
+    }
+  }
+  
+  public boolean isInArea( long id )
+  {
+    for( int i=0; i<poslist.size(); i++)
+    {
+      if ( poslist.get(i).isInPolygon( id ) )
+      {
+        for( int j=0; j<neglist.size(); j++)
+        {
+          if ( neglist.get(i).isInPolygon( id ) )
+          {
+            return false;
+          }
+        }
+        return true;
+      }
+    }
+    return false;
+  }
+
+  public boolean isInBoundingBox( long id )
+  {
+    for( int i=0; i<poslist.size(); i++)
+    {
+      if ( poslist.get(i).isInBoundingBox( id ) )
+      {
+        return true;
+      }
+    }
+    return false;
+  }
+}