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-rw-r--r--src/main/javassist/CtClassType.java7
-rw-r--r--src/main/javassist/bytecode/AnnotationsAttribute.java26
-rw-r--r--src/main/javassist/bytecode/AttributeInfo.java11
-rw-r--r--src/main/javassist/bytecode/ClassFile.java16
-rw-r--r--src/main/javassist/bytecode/FieldInfo.java16
-rw-r--r--src/main/javassist/bytecode/MethodInfo.java16
-rw-r--r--src/main/javassist/bytecode/analysis/ControlFlow.java9
-rw-r--r--src/test/javassist/JvstTest3.java3
-rw-r--r--src/test/javassist/JvstTest5.java48
-rw-r--r--src/test/test5/RemoveAnnotation.java20
10 files changed, 163 insertions, 9 deletions
diff --git a/src/main/javassist/CtClassType.java b/src/main/javassist/CtClassType.java
index 627c15cf..29aace81 100644
--- a/src/main/javassist/CtClassType.java
+++ b/src/main/javassist/CtClassType.java
@@ -1400,10 +1400,11 @@ class CtClassType extends CtClass {
int mod = m.getModifiers();
if ((getModifiers() & Modifier.INTERFACE) != 0) {
- m.setModifiers(mod | Modifier.PUBLIC);
- if ((mod & Modifier.ABSTRACT) == 0)
+ if (Modifier.isProtected(mod) || Modifier.isPrivate(mod))
throw new CannotCompileException(
- "an interface method must be abstract: " + m.toString());
+ "an interface method must be public: " + m.toString());
+
+ m.setModifiers(mod | Modifier.PUBLIC);
}
getMembers().addMethod(m);
diff --git a/src/main/javassist/bytecode/AnnotationsAttribute.java b/src/main/javassist/bytecode/AnnotationsAttribute.java
index d1d5b988..be69fe8b 100644
--- a/src/main/javassist/bytecode/AnnotationsAttribute.java
+++ b/src/main/javassist/bytecode/AnnotationsAttribute.java
@@ -214,6 +214,32 @@ public class AnnotationsAttribute extends AttributeInfo {
}
/**
+ * Removes an annotation by type.
+ * After removing an annotation, if {@link #numAnnotations()} returns 0,
+ * this annotations attribute has to be removed.
+ *
+ * @param type of annotation to remove
+ * @return whether an annotation with the given type has been removed
+ * @since 3.21
+ */
+ public boolean removeAnnotation(String type) {
+ Annotation[] annotations = getAnnotations();
+ for (int i = 0; i < annotations.length; i++) {
+ if (annotations[i].getTypeName().equals(type)) {
+ Annotation[] newlist = new Annotation[annotations.length - 1];
+ System.arraycopy(annotations, 0, newlist, 0, i);
+ if (i < annotations.length - 1) {
+ System.arraycopy(annotations, i + 1, newlist, i,
+ annotations.length - i - 1);
+ }
+ setAnnotations(newlist);
+ return true;
+ }
+ }
+ return false;
+ }
+
+ /**
* Parses the annotations and returns a data structure representing
* that parsed annotations. Note that changes of the node values of the
* returned tree are not reflected on the annotations represented by
diff --git a/src/main/javassist/bytecode/AttributeInfo.java b/src/main/javassist/bytecode/AttributeInfo.java
index 9a1ac16c..5fd73281 100644
--- a/src/main/javassist/bytecode/AttributeInfo.java
+++ b/src/main/javassist/bytecode/AttributeInfo.java
@@ -231,16 +231,21 @@ public class AttributeInfo {
return null; // no such attribute
}
- static synchronized void remove(ArrayList list, String name) {
+ static synchronized AttributeInfo remove(ArrayList list, String name) {
if (list == null)
- return;
+ return null;
+ AttributeInfo removed = null;
ListIterator iterator = list.listIterator();
while (iterator.hasNext()) {
AttributeInfo ai = (AttributeInfo)iterator.next();
- if (ai.getName().equals(name))
+ if (ai.getName().equals(name)) {
iterator.remove();
+ removed = ai;
+ }
}
+
+ return removed;
}
static void writeAll(ArrayList list, DataOutputStream out)
diff --git a/src/main/javassist/bytecode/ClassFile.java b/src/main/javassist/bytecode/ClassFile.java
index 9e7729fd..e48b8e04 100644
--- a/src/main/javassist/bytecode/ClassFile.java
+++ b/src/main/javassist/bytecode/ClassFile.java
@@ -771,6 +771,11 @@ public final class ClassFile {
* Returns the attribute with the specified name. If there are multiple
* attributes with that name, this method returns either of them. It
* returns null if the specified attributed is not found.
+ *
+ * <p>An attribute name can be obtained by, for example,
+ * {@link AnnotationsAttribute#visibleTab} or
+ * {@link AnnotationsAttribute#invisibleTab}.
+ * </p>
*
* @param name attribute name
* @see #getAttributes()
@@ -788,6 +793,17 @@ public final class ClassFile {
}
/**
+ * Removes an attribute with the specified name.
+ *
+ * @param name attribute name.
+ * @return the removed attribute or null.
+ * @since 3.21
+ */
+ public AttributeInfo removeAttribute(String name) {
+ return AttributeInfo.remove(attributes, name);
+ }
+
+ /**
* Appends an attribute. If there is already an attribute with the same
* name, the new one substitutes for it.
*
diff --git a/src/main/javassist/bytecode/FieldInfo.java b/src/main/javassist/bytecode/FieldInfo.java
index cbba0a85..0e2f76a5 100644
--- a/src/main/javassist/bytecode/FieldInfo.java
+++ b/src/main/javassist/bytecode/FieldInfo.java
@@ -231,6 +231,11 @@ public final class FieldInfo {
* Returns the attribute with the specified name.
* It returns null if the specified attribute is not found.
*
+ * <p>An attribute name can be obtained by, for example,
+ * {@link AnnotationsAttribute#visibleTab} or
+ * {@link AnnotationsAttribute#invisibleTab}.
+ * </p>
+ *
* @param name attribute name
* @see #getAttributes()
*/
@@ -239,6 +244,17 @@ public final class FieldInfo {
}
/**
+ * Removes an attribute with the specified name.
+ *
+ * @param name attribute name.
+ * @return the removed attribute or null.
+ * @since 3.21
+ */
+ public AttributeInfo removeAttribute(String name) {
+ return AttributeInfo.remove(attribute, name);
+ }
+
+ /**
* Appends an attribute. If there is already an attribute with
* the same name, the new one substitutes for it.
*
diff --git a/src/main/javassist/bytecode/MethodInfo.java b/src/main/javassist/bytecode/MethodInfo.java
index 4b8c1c4d..72642268 100644
--- a/src/main/javassist/bytecode/MethodInfo.java
+++ b/src/main/javassist/bytecode/MethodInfo.java
@@ -315,6 +315,11 @@ public class MethodInfo {
* Returns the attribute with the specified name. If it is not found, this
* method returns null.
*
+ * <p>An attribute name can be obtained by, for example,
+ * {@link AnnotationsAttribute#visibleTab} or
+ * {@link AnnotationsAttribute#invisibleTab}.
+ * </p>
+ *
* @param name attribute name
* @return an <code>AttributeInfo</code> object or null.
* @see #getAttributes()
@@ -324,6 +329,17 @@ public class MethodInfo {
}
/**
+ * Removes an attribute with the specified name.
+ *
+ * @param name attribute name.
+ * @return the removed attribute or null.
+ * @since 3.21
+ */
+ public AttributeInfo removeAttribute(String name) {
+ return AttributeInfo.remove(attribute, name);
+ }
+
+ /**
* Appends an attribute. If there is already an attribute with the same
* name, the new one substitutes for it.
*
diff --git a/src/main/javassist/bytecode/analysis/ControlFlow.java b/src/main/javassist/bytecode/analysis/ControlFlow.java
index 736299cb..0bf76a3d 100644
--- a/src/main/javassist/bytecode/analysis/ControlFlow.java
+++ b/src/main/javassist/bytecode/analysis/ControlFlow.java
@@ -71,6 +71,8 @@ public class ControlFlow {
return new Block[size];
}
}.make(minfo);
+ if (basicBlocks == null)
+ basicBlocks = new Block[0];
int size = basicBlocks.length;
int[] counters = new int[size];
for (int i = 0; i < size; i++) {
@@ -97,6 +99,9 @@ public class ControlFlow {
/**
* Returns all the basic blocks in the method body.
+ *
+ * @return an array of basic blocks, the array has length 0 if
+ * the method doesn't have code.
*/
public Block[] basicBlocks() {
return basicBlocks;
@@ -133,7 +138,7 @@ public class ControlFlow {
* For every array element <code>node</code>, its index in the
* array is equivalent to <code>node.block().index()</code>.
*
- * @return an array of the tree nodes, or null if the method is abstract.
+ * @return an array of the tree nodes, or null if the method doesn't have code.
* @see Node#block()
* @see Block#index()
*/
@@ -179,7 +184,7 @@ public class ControlFlow {
* For every array element <code>node</code>, its index in the
* array is equivalent to <code>node.block().index()</code>.
*
- * @return an array of the tree nodes, or null if the method is abstract.
+ * @return an array of the tree nodes, or null if the method doesn't have code.
* @see Node#block()
* @see Block#index()
*/
diff --git a/src/test/javassist/JvstTest3.java b/src/test/javassist/JvstTest3.java
index f399d077..056df5c2 100644
--- a/src/test/javassist/JvstTest3.java
+++ b/src/test/javassist/JvstTest3.java
@@ -1086,7 +1086,8 @@ public class JvstTest3 extends JvstTestRoot {
CtMethod m3 = CtMethod.make("public void foo3() {}", cc);
try {
cc.addMethod(m3);
- fail();
+ if (ClassFile.MAJOR_VERSION < ClassFile.JAVA_8)
+ fail();
}
catch (CannotCompileException e) {
// System.out.println(e);
diff --git a/src/test/javassist/JvstTest5.java b/src/test/javassist/JvstTest5.java
index 41b640c7..9d22c47c 100644
--- a/src/test/javassist/JvstTest5.java
+++ b/src/test/javassist/JvstTest5.java
@@ -4,6 +4,7 @@ import java.lang.annotation.Annotation;
import java.lang.reflect.TypeVariable;
import javassist.bytecode.AnnotationsAttribute;
+import javassist.bytecode.AttributeInfo;
import javassist.bytecode.ClassFile;
import javassist.bytecode.ConstPool;
import javassist.bytecode.InnerClassesAttribute;
@@ -241,5 +242,52 @@ public class JvstTest5 extends JvstTestRoot {
cp.appendClassPath(new LoaderClassPath(new Loader()));
assertNotNull(cp.get(Object.class.getName()));
assertNotNull(cp.get(this.getClass().getName()));
+
+ public void testAddDefaultMethod() throws Exception {
+ CtClass cc = sloader.makeInterface("test5.AddDefaultMethod");
+ cc.addMethod(CtNewMethod.make("static int foo() { return 1; }", cc));
+ cc.addMethod(CtNewMethod.make("public static int foo1() { return 1; }", cc));
+ cc.addMethod(CtNewMethod.make("public int foo2() { return 1; }", cc));
+ cc.addMethod(CtNewMethod.make("int foo3() { return 1; }", cc));
+ try {
+ cc.addMethod(CtNewMethod.make("private int foo4() { return 1; }", cc));
+ fail();
+ } catch (CannotCompileException e) {}
+ try {
+ cc.addMethod(CtNewMethod.make("private static int foo5() { return 1; }", cc));
+ fail();
+ } catch (CannotCompileException e) {}
+ }
+
+ public void testRemoveAnnotatino() throws Exception {
+ CtClass cc = sloader.get("test5.RemoveAnnotation");
+ AnnotationsAttribute aa
+ = (AnnotationsAttribute)cc.getClassFile().getAttribute(AnnotationsAttribute.invisibleTag);
+ assertTrue(aa.removeAnnotation("test5.RemoveAnno1"));
+ AttributeInfo ai = cc.getClassFile().removeAttribute(AnnotationsAttribute.invisibleTag);
+ assertEquals(ai.getName(), AnnotationsAttribute.invisibleTag);
+
+ CtMethod foo = cc.getDeclaredMethod("foo");
+ AnnotationsAttribute aa2 = (AnnotationsAttribute)foo.getMethodInfo().getAttribute(AnnotationsAttribute.invisibleTag);
+ assertTrue(aa2.removeAnnotation("test5.RemoveAnno1"));
+
+ CtMethod bar = cc.getDeclaredMethod("bar");
+ AnnotationsAttribute aa3 = (AnnotationsAttribute)bar.getMethodInfo().getAttribute(AnnotationsAttribute.invisibleTag);
+ assertFalse(aa3.removeAnnotation("test5.RemoveAnno1"));
+ assertTrue(aa3.removeAnnotation("test5.RemoveAnno2"));
+ AttributeInfo ai2 = bar.getMethodInfo().removeAttribute(AnnotationsAttribute.invisibleTag);
+ assertEquals(ai2.getName(), AnnotationsAttribute.invisibleTag);
+
+ CtMethod run = cc.getDeclaredMethod("run");
+ AttributeInfo ai3 = run.getMethodInfo().removeAttribute(AnnotationsAttribute.invisibleTag);
+ assertNull(ai3);
+
+ CtField baz = cc.getDeclaredField("baz");
+ AttributeInfo ai4 = baz.getFieldInfo().removeAttribute(AnnotationsAttribute.invisibleTag);
+ assertEquals(ai4.getName(), AnnotationsAttribute.invisibleTag);
+
+ cc.writeFile();
+ Object obj = make(cc.getName());
+ assertEquals(3, invoke(obj, "run"));
}
}
diff --git a/src/test/test5/RemoveAnnotation.java b/src/test/test5/RemoveAnnotation.java
new file mode 100644
index 00000000..97f75253
--- /dev/null
+++ b/src/test/test5/RemoveAnnotation.java
@@ -0,0 +1,20 @@
+package test5;
+
+@interface RemoveAnno1 {}
+
+@interface RemoveAnno2 {
+ int foo() default 3;
+}
+
+@RemoveAnno1 public class RemoveAnnotation {
+ @RemoveAnno1 @RemoveAnno2(foo=4)
+ int foo() { return 1; }
+
+ @RemoveAnno2
+ int bar() { return 2; }
+
+ @RemoveAnno1
+ int baz = 10;
+
+ public int run() { return foo() + bar(); }
+}