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add various methods to Class and fix getComponentType for primitive arrays

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This commit is contained in:
Joel Dice 2009-08-13 08:57:06 -06:00
parent 58e3c3013a
commit fb37f48237
1 changed files with 69 additions and 4 deletions
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73
classpath/java/lang/Class.java
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@ -96,6 +96,32 @@ public final class Class <T> implements Type, GenericDeclaration {
(replace('/', '.', name, 0, name.length - 1), 0, name.length - 1, false); (replace('/', '.', name, 0, name.length - 1), 0, name.length - 1, false);
} }
public String getCanonicalName() {
if ((vmFlags & PrimitiveFlag) != 0) {
return getName();
} else if (isArray()) {
return getComponentType().getCanonicalName() + "[]";
} else {
return getName().replace('$', '.');
}
}
public String getSimpleName() {
if ((vmFlags & PrimitiveFlag) != 0) {
return getName();
} else if (isArray()) {
return getComponentType().getSimpleName() + "[]";
} else {
String name = getCanonicalName();
int index = name.lastIndexOf('.');
if (index >= 0) {
return name.substring(index + 1);
} else {
return name;
}
}
}
public Object staticTable() { public Object staticTable() {
return staticTable; return staticTable;
} }
@ -159,6 +185,26 @@ public final class Class <T> implements Type, GenericDeclaration {
public Class getComponentType() { public Class getComponentType() {
if (isArray()) { if (isArray()) {
String n = getName();
if ("[Z".equals(n)) {
return primitiveClass('Z');
} else if ("[B".equals(n)) {
return primitiveClass('B');
} else if ("[S".equals(n)) {
return primitiveClass('S');
} else if ("[C".equals(n)) {
return primitiveClass('C');
} else if ("[I".equals(n)) {
return primitiveClass('I');
} else if ("[F".equals(n)) {
return primitiveClass('F');
} else if ("[J".equals(n)) {
return primitiveClass('J');
} else if ("[D".equals(n)) {
return primitiveClass('D');
}
if (staticTable == null) throw new AssertionError(name);
return (Class) staticTable; return (Class) staticTable;
} else { } else {
return null; return null;
@ -485,6 +531,14 @@ public final class Class <T> implements Type, GenericDeclaration {
return false; return false;
} }
public <T> Class<? extends T> asSubclass(Class<T> c) {
if (! c.isAssignableFrom(this)) {
throw new ClassCastException();
}
return (Class<? extends T>) this;
}
public T cast(Object o) { public T cast(Object o) {
return (T) o; return (T) o;
} }
@ -493,6 +547,21 @@ public final class Class <T> implements Type, GenericDeclaration {
return Static.signers.get(this); return Static.signers.get(this);
} }
public Package getPackage() {
if ((vmFlags & PrimitiveFlag) != 0 || isArray()) {
return null;
} else {
String name = getCanonicalName();
int index = name.lastIndexOf('.');
if (index >= 0) {
return new Package(name.substring(0, index),
null, null, null, null, null, null, null, null);
} else {
return null;
}
}
}
public Annotation[] getDeclaredAnnotations() { public Annotation[] getDeclaredAnnotations() {
throw new UnsupportedOperationException(); throw new UnsupportedOperationException();
} }
@ -505,10 +574,6 @@ public final class Class <T> implements Type, GenericDeclaration {
throw new UnsupportedOperationException(); throw new UnsupportedOperationException();
} }
public String getSimpleName() {
throw new UnsupportedOperationException();
}
public Method getEnclosingMethod() { public Method getEnclosingMethod() {
throw new UnsupportedOperationException(); throw new UnsupportedOperationException();
} }