diff options
Diffstat (limited to 'src/main/java/com/amazon/carbonado/util/ThrowUnchecked.java')
| -rw-r--r-- | src/main/java/com/amazon/carbonado/util/ThrowUnchecked.java | 144 |
1 files changed, 9 insertions, 135 deletions
diff --git a/src/main/java/com/amazon/carbonado/util/ThrowUnchecked.java b/src/main/java/com/amazon/carbonado/util/ThrowUnchecked.java index e6381bc..9bb2f73 100644 --- a/src/main/java/com/amazon/carbonado/util/ThrowUnchecked.java +++ b/src/main/java/com/amazon/carbonado/util/ThrowUnchecked.java @@ -18,14 +18,6 @@ package com.amazon.carbonado.util;
-import java.lang.reflect.UndeclaredThrowableException;
-
-import org.cojen.classfile.ClassFile;
-import org.cojen.classfile.CodeBuilder;
-import org.cojen.classfile.Modifiers;
-import org.cojen.classfile.TypeDesc;
-import org.cojen.util.ClassInjector;
-
/**
* Allows exceptions to be thrown which aren't declared to be thrown. Use of
* this technique can cause confusion since it violates the Java language rules
@@ -51,6 +43,7 @@ import org.cojen.util.ClassInjector; * </pre>
*
* @author Brian S O'Neill
+ * @deprecated use {@link org.cojen.util.ThrowUnchecked} instead
*/
public abstract class ThrowUnchecked {
private static volatile ThrowUnchecked cImpl;
@@ -62,27 +55,7 @@ public abstract class ThrowUnchecked { * @param t exception to throw
*/
public static void fire(Throwable t) {
- if (t != null) {
- // Don't need to do anything special for unchecked exceptions.
- if (t instanceof RuntimeException) {
- throw (RuntimeException) t;
- }
- if (t instanceof Error) {
- throw (Error) t;
- }
-
- ThrowUnchecked impl = cImpl;
- if (impl == null) {
- synchronized (ThrowUnchecked.class) {
- impl = cImpl;
- if (impl == null) {
- cImpl = impl = generateImpl();
- }
- }
- }
-
- impl.doFire(t);
- }
+ org.cojen.util.ThrowUnchecked.fire(t);
}
/**
@@ -97,22 +70,7 @@ public abstract class ThrowUnchecked { * UndeclaredThrowableException.
*/
public static void fireDeclared(Throwable t, Class... declaredTypes) {
- if (t != null) {
- if (declaredTypes != null) {
- for (Class declaredType : declaredTypes) {
- if (declaredType.isInstance(t)) {
- fire(t);
- }
- }
- }
- if (t instanceof RuntimeException) {
- throw (RuntimeException) t;
- }
- if (t instanceof Error) {
- throw (Error) t;
- }
- throw new UndeclaredThrowableException(t);
- }
+ org.cojen.util.ThrowUnchecked.fireDeclared(t, declaredTypes);
}
/**
@@ -127,27 +85,7 @@ public abstract class ThrowUnchecked { * UndeclaredThrowableException.
*/
public static void fireFirstDeclared(Throwable t, Class... declaredTypes) {
- Throwable cause = t;
- while (cause != null) {
- cause = cause.getCause();
- if (cause == null) {
- break;
- }
- if (declaredTypes != null) {
- for (Class declaredType : declaredTypes) {
- if (declaredType.isInstance(cause)) {
- fire(cause);
- }
- }
- }
- if (cause instanceof RuntimeException) {
- throw (RuntimeException) cause;
- }
- if (cause instanceof Error) {
- throw (Error) cause;
- }
- }
- throw new UndeclaredThrowableException(t);
+ org.cojen.util.ThrowUnchecked.fireFirstDeclared(t, declaredTypes);
}
/**
@@ -158,13 +96,7 @@ public abstract class ThrowUnchecked { * @param t exception whose cause is to be thrown
*/
public static void fireCause(Throwable t) {
- if (t != null) {
- Throwable cause = t.getCause();
- if (cause == null) {
- cause = t;
- }
- fire(cause);
- }
+ org.cojen.util.ThrowUnchecked.fireCause(t);
}
/**
@@ -180,13 +112,7 @@ public abstract class ThrowUnchecked { * UndeclaredThrowableException.
*/
public static void fireDeclaredCause(Throwable t, Class... declaredTypes) {
- if (t != null) {
- Throwable cause = t.getCause();
- if (cause == null) {
- cause = t;
- }
- fireDeclared(cause, declaredTypes);
- }
+ org.cojen.util.ThrowUnchecked.fireDeclaredCause(t, declaredTypes);
}
/**
@@ -202,27 +128,7 @@ public abstract class ThrowUnchecked { * UndeclaredThrowableException.
*/
public static void fireFirstDeclaredCause(Throwable t, Class... declaredTypes) {
- Throwable cause = t;
- while (cause != null) {
- cause = cause.getCause();
- if (cause == null) {
- break;
- }
- if (declaredTypes != null) {
- for (Class declaredType : declaredTypes) {
- if (declaredType.isInstance(cause)) {
- fire(cause);
- }
- }
- }
- if (cause instanceof RuntimeException) {
- throw (RuntimeException) cause;
- }
- if (cause instanceof Error) {
- throw (Error) cause;
- }
- }
- fireDeclaredCause(t, declaredTypes);
+ org.cojen.util.ThrowUnchecked.fireFirstDeclaredCause(t, declaredTypes);
}
/**
@@ -233,15 +139,7 @@ public abstract class ThrowUnchecked { * @param t exception whose root cause is to be thrown
*/
public static void fireRootCause(Throwable t) {
- Throwable root = t;
- while (root != null) {
- Throwable cause = root.getCause();
- if (cause == null) {
- break;
- }
- root = cause;
- }
- fire(root);
+ org.cojen.util.ThrowUnchecked.fireRootCause(t);
}
/**
@@ -257,31 +155,7 @@ public abstract class ThrowUnchecked { * UndeclaredThrowableException.
*/
public static void fireDeclaredRootCause(Throwable t, Class... declaredTypes) {
- Throwable root = t;
- while (root != null) {
- Throwable cause = root.getCause();
- if (cause == null) {
- break;
- }
- root = cause;
- }
- fireDeclared(root, declaredTypes);
- }
-
- private static ThrowUnchecked generateImpl() {
- ClassInjector ci = ClassInjector.create();
- ClassFile cf = new ClassFile(ci.getClassName(), ThrowUnchecked.class);
- cf.addDefaultConstructor();
- CodeBuilder b = new CodeBuilder
- (cf.addMethod(Modifiers.PROTECTED, "doFire",
- null, new TypeDesc[] {TypeDesc.forClass(Throwable.class)}));
- b.loadLocal(b.getParameter(0));
- b.throwObject();
- try {
- return (ThrowUnchecked) ci.defineClass(cf).newInstance();
- } catch (Exception e) {
- throw new Error(e);
- }
+ org.cojen.util.ThrowUnchecked.fireDeclaredRootCause(t, declaredTypes);
}
protected ThrowUnchecked() {
|