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diff --git a/asm-commons/src/main/java/org/objectweb/asm/commons/Method.java b/asm-commons/src/main/java/org/objectweb/asm/commons/Method.java
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+// ASM: a very small and fast Java bytecode manipulation framework
+// Copyright (c) 2000-2011 INRIA, France Telecom
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+// 3. Neither the name of the copyright holders nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+// THE POSSIBILITY OF SUCH DAMAGE.
+package org.objectweb.asm.commons;
+
+import java.util.HashMap;
+import java.util.Map;
+import org.objectweb.asm.Type;
+
+/**
+ * A named method descriptor.
+ *
+ * @author Juozas Baliuka
+ * @author Chris Nokleberg
+ * @author Eric Bruneton
+ */
+public class Method {
+
+ /** The method name. */
+ private final String name;
+
+ /** The method descriptor. */
+ private final String descriptor;
+
+ /** The descriptors of the primitive Java types (plus void). */
+ private static final Map<String, String> PRIMITIVE_TYPE_DESCRIPTORS;
+
+ static {
+ HashMap<String, String> descriptors = new HashMap<>();
+ descriptors.put("void", "V");
+ descriptors.put("byte", "B");
+ descriptors.put("char", "C");
+ descriptors.put("double", "D");
+ descriptors.put("float", "F");
+ descriptors.put("int", "I");
+ descriptors.put("long", "J");
+ descriptors.put("short", "S");
+ descriptors.put("boolean", "Z");
+ PRIMITIVE_TYPE_DESCRIPTORS = descriptors;
+ }
+
+ /**
+ * Constructs a new {@link Method}.
+ *
+ * @param name the method's name.
+ * @param descriptor the method's descriptor.
+ */
+ public Method(final String name, final String descriptor) {
+ this.name = name;
+ this.descriptor = descriptor;
+ }
+
+ /**
+ * Constructs a new {@link Method}.
+ *
+ * @param name the method's name.
+ * @param returnType the method's return type.
+ * @param argumentTypes the method's argument types.
+ */
+ public Method(final String name, final Type returnType, final Type[] argumentTypes) {
+ this(name, Type.getMethodDescriptor(returnType, argumentTypes));
+ }
+
+ /**
+ * Creates a new {@link Method}.
+ *
+ * @param method a java.lang.reflect method descriptor
+ * @return a {@link Method} corresponding to the given Java method declaration.
+ */
+ public static Method getMethod(final java.lang.reflect.Method method) {
+ return new Method(method.getName(), Type.getMethodDescriptor(method));
+ }
+
+ /**
+ * Creates a new {@link Method}.
+ *
+ * @param constructor a java.lang.reflect constructor descriptor
+ * @return a {@link Method} corresponding to the given Java constructor declaration.
+ */
+ public static Method getMethod(final java.lang.reflect.Constructor<?> constructor) {
+ return new Method("<init>", Type.getConstructorDescriptor(constructor));
+ }
+
+ /**
+ * Returns a {@link Method} corresponding to the given Java method declaration.
+ *
+ * @param method a Java method declaration, without argument names, of the form "returnType name
+ * (argumentType1, ... argumentTypeN)", where the types are in plain Java (e.g. "int",
+ * "float", "java.util.List", ...). Classes of the java.lang package can be specified by their
+ * unqualified name; all other classes names must be fully qualified.
+ * @return a {@link Method} corresponding to the given Java method declaration.
+ * @throws IllegalArgumentException if <code>method</code> could not get parsed.
+ */
+ public static Method getMethod(final String method) {
+ return getMethod(method, false);
+ }
+
+ /**
+ * Returns a {@link Method} corresponding to the given Java method declaration.
+ *
+ * @param method a Java method declaration, without argument names, of the form "returnType name
+ * (argumentType1, ... argumentTypeN)", where the types are in plain Java (e.g. "int",
+ * "float", "java.util.List", ...). Classes of the java.lang package may be specified by their
+ * unqualified name, depending on the defaultPackage argument; all other classes names must be
+ * fully qualified.
+ * @param defaultPackage true if unqualified class names belong to the default package, or false
+ * if they correspond to java.lang classes. For instance "Object" means "Object" if this
+ * option is true, or "java.lang.Object" otherwise.
+ * @return a {@link Method} corresponding to the given Java method declaration.
+ * @throws IllegalArgumentException if <code>method</code> could not get parsed.
+ */
+ public static Method getMethod(final String method, final boolean defaultPackage) {
+ final int spaceIndex = method.indexOf(' ');
+ int currentArgumentStartIndex = method.indexOf('(', spaceIndex) + 1;
+ final int endIndex = method.indexOf(')', currentArgumentStartIndex);
+ if (spaceIndex == -1 || currentArgumentStartIndex == 0 || endIndex == -1) {
+ throw new IllegalArgumentException();
+ }
+ final String returnType = method.substring(0, spaceIndex);
+ final String methodName =
+ method.substring(spaceIndex + 1, currentArgumentStartIndex - 1).trim();
+ StringBuilder stringBuilder = new StringBuilder();
+ stringBuilder.append('(');
+ int currentArgumentEndIndex;
+ do {
+ String argumentDescriptor;
+ currentArgumentEndIndex = method.indexOf(',', currentArgumentStartIndex);
+ if (currentArgumentEndIndex == -1) {
+ argumentDescriptor =
+ getDescriptorInternal(
+ method.substring(currentArgumentStartIndex, endIndex).trim(), defaultPackage);
+ } else {
+ argumentDescriptor =
+ getDescriptorInternal(
+ method.substring(currentArgumentStartIndex, currentArgumentEndIndex).trim(),
+ defaultPackage);
+ currentArgumentStartIndex = currentArgumentEndIndex + 1;
+ }
+ stringBuilder.append(argumentDescriptor);
+ } while (currentArgumentEndIndex != -1);
+ stringBuilder.append(')').append(getDescriptorInternal(returnType, defaultPackage));
+ return new Method(methodName, stringBuilder.toString());
+ }
+
+ /**
+ * Returns the descriptor corresponding to the given type name.
+ *
+ * @param type a Java type name.
+ * @param defaultPackage true if unqualified class names belong to the default package, or false
+ * if they correspond to java.lang classes. For instance "Object" means "Object" if this
+ * option is true, or "java.lang.Object" otherwise.
+ * @return the descriptor corresponding to the given type name.
+ */
+ private static String getDescriptorInternal(final String type, final boolean defaultPackage) {
+ if ("".equals(type)) {
+ return type;
+ }
+
+ StringBuilder stringBuilder = new StringBuilder();
+ int arrayBracketsIndex = 0;
+ while ((arrayBracketsIndex = type.indexOf("[]", arrayBracketsIndex) + 1) > 0) {
+ stringBuilder.append('[');
+ }
+
+ String elementType = type.substring(0, type.length() - stringBuilder.length() * 2);
+ String descriptor = PRIMITIVE_TYPE_DESCRIPTORS.get(elementType);
+ if (descriptor != null) {
+ stringBuilder.append(descriptor);
+ } else {
+ stringBuilder.append('L');
+ if (elementType.indexOf('.') < 0) {
+ if (!defaultPackage) {
+ stringBuilder.append("java/lang/");
+ }
+ stringBuilder.append(elementType);
+ } else {
+ stringBuilder.append(elementType.replace('.', '/'));
+ }
+ stringBuilder.append(';');
+ }
+ return stringBuilder.toString();
+ }
+
+ /**
+ * Returns the name of the method described by this object.
+ *
+ * @return the name of the method described by this object.
+ */
+ public String getName() {
+ return name;
+ }
+
+ /**
+ * Returns the descriptor of the method described by this object.
+ *
+ * @return the descriptor of the method described by this object.
+ */
+ public String getDescriptor() {
+ return descriptor;
+ }
+
+ /**
+ * Returns the return type of the method described by this object.
+ *
+ * @return the return type of the method described by this object.
+ */
+ public Type getReturnType() {
+ return Type.getReturnType(descriptor);
+ }
+
+ /**
+ * Returns the argument types of the method described by this object.
+ *
+ * @return the argument types of the method described by this object.
+ */
+ public Type[] getArgumentTypes() {
+ return Type.getArgumentTypes(descriptor);
+ }
+
+ @Override
+ public String toString() {
+ return name + descriptor;
+ }
+
+ @Override
+ public boolean equals(final Object other) {
+ if (!(other instanceof Method)) {
+ return false;
+ }
+ Method otherMethod = (Method) other;
+ return name.equals(otherMethod.name) && descriptor.equals(otherMethod.descriptor);
+ }
+
+ @Override
+ public int hashCode() {
+ return name.hashCode() ^ descriptor.hashCode();
+ }
+}