src/share/classes/com/sun/tools/hat/internal/model/JavaLazyReadObject.java

Print this page 
rev 10195 : 8048267: Replace uses of 'new Long()' with appropriate alternative across core classes
Reviewed-by: chegar, psandoz
Contributed-by: otaviojava@java.net


  85             if (idSize == 4) {
  86                 return ((long)buf.getInt(offset)) & Snapshot.SMALL_ID_MASK;
  87             } else {
  88                 return buf.getLong(offset);
  89             }
  90         } catch (IOException exp) {
  91             System.err.println("lazy read failed at offset " + offset);
  92             exp.printStackTrace();
  93             return -1;
  94         }
  95     }
  96 
  97     protected abstract int readValueLength() throws IOException;
  98     protected abstract byte[] readValue() throws IOException;
  99 
 100     // make Integer or Long for given object ID
 101     protected static Number makeId(long id) {
 102         if ((id & ~Snapshot.SMALL_ID_MASK) == 0) {
 103             return new Integer((int)id);
 104         } else {
 105             return new Long(id);
 106         }
 107     }
 108 
 109     // get ID as long value from Number
 110     protected static long getIdValue(Number num) {
 111         long id = num.longValue();
 112         if (num instanceof Integer) {
 113             id &= Snapshot.SMALL_ID_MASK;
 114         }
 115         return id;
 116     }
 117 
 118     // read object ID from given index from given byte array
 119     protected final long objectIdAt(int index, byte[] data) {
 120         int idSize = getClazz().getIdentifierSize();
 121         if (idSize == 4) {
 122             return ((long)intAt(index, data)) & Snapshot.SMALL_ID_MASK;
 123         } else {
 124             return longAt(index, data);
 125         }




  85             if (idSize == 4) {
  86                 return ((long)buf.getInt(offset)) & Snapshot.SMALL_ID_MASK;
  87             } else {
  88                 return buf.getLong(offset);
  89             }
  90         } catch (IOException exp) {
  91             System.err.println("lazy read failed at offset " + offset);
  92             exp.printStackTrace();
  93             return -1;
  94         }
  95     }
  96 
  97     protected abstract int readValueLength() throws IOException;
  98     protected abstract byte[] readValue() throws IOException;
  99 
 100     // make Integer or Long for given object ID
 101     protected static Number makeId(long id) {
 102         if ((id & ~Snapshot.SMALL_ID_MASK) == 0) {
 103             return new Integer((int)id);
 104         } else {
 105             return id;
 106         }
 107     }
 108 
 109     // get ID as long value from Number
 110     protected static long getIdValue(Number num) {
 111         long id = num.longValue();
 112         if (num instanceof Integer) {
 113             id &= Snapshot.SMALL_ID_MASK;
 114         }
 115         return id;
 116     }
 117 
 118     // read object ID from given index from given byte array
 119     protected final long objectIdAt(int index, byte[] data) {
 120         int idSize = getClazz().getIdentifierSize();
 121         if (idSize == 4) {
 122             return ((long)intAt(index, data)) & Snapshot.SMALL_ID_MASK;
 123         } else {
 124             return longAt(index, data);
 125         }