diff options
| -rw-r--r-- | src/java/com/jogamp/common/util/IntIntHashMap.java | 117 |
1 files changed, 75 insertions, 42 deletions
diff --git a/src/java/com/jogamp/common/util/IntIntHashMap.java b/src/java/com/jogamp/common/util/IntIntHashMap.java index 5146d44..bd5529e 100644 --- a/src/java/com/jogamp/common/util/IntIntHashMap.java +++ b/src/java/com/jogamp/common/util/IntIntHashMap.java @@ -34,6 +34,8 @@ package com.jogamp.common.util; import com.jogamp.common.JogampRuntimeException; import java.lang.reflect.Constructor; import java.lang.reflect.Method; +import java.security.AccessController; +import java.security.PrivilegedAction; import java.util.ArrayList; import java.util.Arrays; import java.util.Iterator; @@ -57,8 +59,8 @@ import java.util.Iterator; * @see LongLongHashMap * @see LongIntHashMap */ -public class /*name*/IntIntHashMap/*name*/ implements Cloneable, Iterable { - +public class /*name*/IntIntHashMap/*name*/ implements Cloneable, + Iterable< /*name*/IntIntHashMap/*name*/.Entry > { private final float loadFactor; private Entry[] table; @@ -70,29 +72,38 @@ public class /*name*/IntIntHashMap/*name*/ implements Cloneable, Iterable { private /*value*/int/*value*/ keyNotFoundValue = /*null*/-1/*null*/; private static final boolean isPrimitive; - private static final Constructor entryConstructor; + private static final Constructor</*name*/IntIntHashMap/*name*/.Entry> entryConstructor; private static final Method equalsMethod; + static class EntryCM { EntryCM() { c = null; m1 = null; } Constructor<Entry> c; Method m1; }; + static { - final Class valueClazz = /*value*/int/*value*/.class; - final Class keyClazz = /*key*/int/*key*/.class; + final Class<?> valueClazz = /*value*/int/*value*/.class; + final Class<?> keyClazz = /*key*/int/*key*/.class; isPrimitive = valueClazz.isPrimitive(); - Constructor c = null; - Method m = null; if(!isPrimitive) { - c = ReflectionUtil.getConstructor(Entry.class, - new Class[] { keyClazz, valueClazz, Entry.class } ); - - try { - m = valueClazz.getDeclaredMethod("equals", Object.class); - } catch (NoSuchMethodException ex) { - throw new JogampRuntimeException("Class "+valueClazz+" doesn't support equals(Object)"); - } + final EntryCM cm = AccessController.doPrivileged(new PrivilegedAction<EntryCM>() { + @SuppressWarnings("unchecked") + public EntryCM run() { + EntryCM r = new EntryCM(); + r.c = (Constructor<Entry>) + ReflectionUtil.getConstructor(Entry.class, + new Class[] { keyClazz, valueClazz, Entry.class } ); + try { + r.m1 = valueClazz.getDeclaredMethod("equals", Object.class); + } catch (NoSuchMethodException ex) { + throw new JogampRuntimeException("Class "+valueClazz+" doesn't support equals(Object)"); + } + return r; + } } ); + entryConstructor = cm.c; + equalsMethod = cm.m1; + } else { + entryConstructor = null; + equalsMethod = null; } - entryConstructor = c; - equalsMethod = m; } public /*name*/IntIntHashMap/*name*/() { @@ -165,7 +176,7 @@ public class /*name*/IntIntHashMap/*name*/ implements Cloneable, Iterable { if( isPrimitive ) { de_next = new Entry(se.key, se.value, de_next); } else { - final Object v = ReflectionUtil.callMethod(se.value, getCloneMethod(se.value)); + final Object v = ReflectionUtil.callMethod( se.value, getCloneMethod(se.value) ); de_next = (Entry) ReflectionUtil.createInstance(entryConstructor, se.key, v, de_next); } } @@ -270,11 +281,10 @@ public class /*name*/IntIntHashMap/*name*/ implements Cloneable, Iterable { /** * Copies all of the mappings from the specified map to this map. */ -// @SuppressWarnings(value="cast") public void putAll(/*name*/IntIntHashMap/*name*/ source) { - Iterator itr = source.iterator(); + final Iterator<Entry> itr = source.iterator(); while(itr.hasNext()) { - Entry e = (Entry) itr.next(); + final Entry e = itr.next(); put(e.key, e.value); } } @@ -285,8 +295,8 @@ public class /*name*/IntIntHashMap/*name*/ implements Cloneable, Iterable { */ // @SuppressWarnings(value="cast") public /*value*/int/*value*/ remove(/*key*/int/*key*/ key) { - Entry[] t = this.table; - int index = (int) (key & mask); + final Entry[] t = this.table; + final int index = (int) (key & mask); Entry prev = t[index]; Entry e = prev; while (e != null) { @@ -361,19 +371,29 @@ public class /*name*/IntIntHashMap/*name*/ implements Cloneable, Iterable { return keyNotFoundValue; } - @Override - public String toString() { - // TODO use StringBuilder as soon we are at language level 5 - String str = "{"; - Iterator itr = iterator(); + /** + * @param sb if null, a new StringBuilder is created + * @return StringBuilder instance with appended string information of this Entry + */ + public StringBuilder toString(StringBuilder sb) { + if(null == sb) { + sb = new StringBuilder(); + } + sb.append("{"); + Iterator<Entry> itr = iterator(); while(itr.hasNext()) { - str += itr.next(); + itr.next().toString(sb); if(itr.hasNext()) { - str += ", "; + sb.append(", "); } } - str += "}"; - return str; + sb.append("}"); + return sb; + } + + @Override + public String toString() { + return toString(null).toString(); } private final static class EntryIterator implements Iterator<Entry> { @@ -396,7 +416,7 @@ public class /*name*/IntIntHashMap/*name*/ implements Cloneable, Iterable { @Override public Entry next() { - Entry current = next; + final Entry current = next; if(current != null && current.next != null) { next = current.next; @@ -458,21 +478,34 @@ public class /*name*/IntIntHashMap/*name*/ implements Cloneable, Iterable { this.value = value; } + /** + * @param sb if null, a new StringBuilder is created + * @return StringBuilder instance with appended string information of this Entry + */ + public StringBuilder toString(StringBuilder sb) { + if(null == sb) { + sb = new StringBuilder(); + } + sb.append("[").append(key).append(":").append(value).append("]"); + return sb; + } + @Override public String toString() { - return "["+key+":"+value+"]"; + return toString(null).toString(); } } private static Method getCloneMethod(Object obj) { - final Class clazz = obj.getClass(); - Method m = null; - try { - m = clazz.getDeclaredMethod("clone"); - } catch (NoSuchMethodException ex) { - throw new JogampRuntimeException("Class "+clazz+" doesn't support clone()", ex); - } - return m; + final Class<?> clazz = obj.getClass(); + return AccessController.doPrivileged(new PrivilegedAction<Method>() { + public Method run() { + try { + return clazz.getDeclaredMethod("clone"); + } catch (NoSuchMethodException ex) { + throw new JogampRuntimeException("Class "+clazz+" doesn't support clone()", ex); + } + } } ); } } |