cleaned up some code - replaced a bunch of copy loops with calls to the new

IOUtil class methods, added some javadocs to IOUtil, StringUtil, and
AnyCharMatcher

src/com/silverwrist/venice/core/impl/ImageStore.java

@@ -21,6 +21,7 @@ import java.io.*;
 import java.sql.*;
 import java.util.*;
 import org.apache.log4j.*;
+import com.silverwrist.util.IOUtil;
 import com.silverwrist.venice.db.*;
 import com.silverwrist.venice.core.*;
 
@@ -107,23 +108,8 @@ class ImageStore implements BinaryData
       } // end if
 
       // Since the InputStream we get from JDBC will probably go away when the connection is dropped, we
-      // need to make a temporary copy of it, to a ByteArrayOutputStream.
-      InputStream sqldata = rs.getBinaryStream(1);
-      ByteArrayOutputStream copy = new ByteArrayOutputStream(length);
-      byte[] buffer = new byte[4096];
-      int rd = sqldata.read(buffer);
-      while (rd>=0)
-      { // write, then read again
-	if (rd>0)
-	  copy.write(buffer,0,rd);
-	rd = sqldata.read(buffer);
-
-      } // end while
-
-      // Close both our streams, making sure we create the stream we need for the return value.
-      sqldata.close();
-      rc = new ByteArrayInputStream(copy.toByteArray());
-      copy.close();
+      // need to make a temporary copy of it.
+      rc = new ByteArrayInputStream(IOUtil.load(rs.getBinaryStream(1)));
 
     } // end try
     catch (SQLException e)

src/com/silverwrist/venice/core/impl/TopicMessageUserContextImpl.java

@@ -22,6 +22,7 @@ import java.sql.*;
 import java.util.*;
 import java.util.zip.*;
 import org.apache.log4j.*;
+import com.silverwrist.util.IOUtil;
 import com.silverwrist.util.StringUtil;
 import com.silverwrist.venice.db.*;
 import com.silverwrist.venice.security.AuditRecord;
@@ -432,21 +433,8 @@ class TopicMessageUserContextImpl implements TopicMessageContext
 
       } // end switch
 
-      ByteArrayOutputStream copy = new ByteArrayOutputStream(datalen);
-      byte[] buffer = new byte[4096];
-      int rd = real_input.read(buffer);
-      while (rd>=0)
-      { // write, then read again
-	if (rd>0)
-	  copy.write(buffer,0,rd);
-	rd = real_input.read(buffer);
-
-      } // end while
-
-      // Close both our streams, making sure we create the stream we need for the return value.
-      real_input.close();
-      rc = new ByteArrayInputStream(copy.toByteArray());
-      copy.close();
+      // Copy to a new stream.
+      rc = new ByteArrayInputStream(IOUtil.load(real_input));
 
     } // end try
     catch (SQLException e)