| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.dx.rop.cst; |
| |
| import com.android.dx.rop.type.Type; |
| |
| /** |
| * Constants of type <code>CONSTANT_NameAndType_info</code>. |
| */ |
| public final class CstNat extends Constant { |
| /** |
| * non-null; the instance for name <code>TYPE</code> and descriptor |
| * <code>java.lang.Class</code>, which is useful when dealing with |
| * wrapped primitives |
| */ |
| public static final CstNat PRIMITIVE_TYPE_NAT = |
| new CstNat(new CstUtf8("TYPE"), |
| new CstUtf8("Ljava/lang/Class;")); |
| |
| /** non-null; the name */ |
| private final CstUtf8 name; |
| |
| /** non-null; the descriptor (type) */ |
| private final CstUtf8 descriptor; |
| |
| /** |
| * Constructs an instance. |
| * |
| * @param name non-null; the name |
| * @param descriptor non-null; the descriptor |
| */ |
| public CstNat(CstUtf8 name, CstUtf8 descriptor) { |
| if (name == null) { |
| throw new NullPointerException("name == null"); |
| } |
| |
| if (descriptor == null) { |
| throw new NullPointerException("descriptor == null"); |
| } |
| |
| this.name = name; |
| this.descriptor = descriptor; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public boolean equals(Object other) { |
| if (!(other instanceof CstNat)) { |
| return false; |
| } |
| |
| CstNat otherNat = (CstNat) other; |
| return name.equals(otherNat.name) && |
| descriptor.equals(otherNat.descriptor); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public int hashCode() { |
| return (name.hashCode() * 31) ^ descriptor.hashCode(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| protected int compareTo0(Constant other) { |
| CstNat otherNat = (CstNat) other; |
| int cmp = name.compareTo(otherNat.name); |
| |
| if (cmp != 0) { |
| return cmp; |
| } |
| |
| return descriptor.compareTo(otherNat.descriptor); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public String toString() { |
| return "nat{" + toHuman() + '}'; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public String typeName() { |
| return "nat"; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public boolean isCategory2() { |
| return false; |
| } |
| |
| /** |
| * Gets the name. |
| * |
| * @return non-null; the name |
| */ |
| public CstUtf8 getName() { |
| return name; |
| } |
| |
| /** |
| * Gets the descriptor. |
| * |
| * @return non-null; the descriptor |
| */ |
| public CstUtf8 getDescriptor() { |
| return descriptor; |
| } |
| |
| /** |
| * Returns an unadorned but human-readable version of the name-and-type |
| * value. |
| * |
| * @return non-null; the human form |
| */ |
| public String toHuman() { |
| return name.toHuman() + ':' + descriptor.toHuman(); |
| } |
| |
| /** |
| * Gets the field type corresponding to this instance's descriptor. |
| * This method is only valid to call if the descriptor in fact describes |
| * a field (and not a method). |
| * |
| * @return non-null; the field type |
| */ |
| public Type getFieldType() { |
| return Type.intern(descriptor.getString()); |
| } |
| |
| /** |
| * Gets whether this instance has the name of a standard instance |
| * initialization method. This is just a convenient shorthand for |
| * <code>getName().getString().equals("<init>")</code>. |
| * |
| * @return <code>true</code> iff this is a reference to an |
| * instance initialization method |
| */ |
| public final boolean isInstanceInit() { |
| return name.getString().equals("<init>"); |
| } |
| |
| /** |
| * Gets whether this instance has the name of a standard class |
| * initialization method. This is just a convenient shorthand for |
| * <code>getName().getString().equals("<clinit>")</code>. |
| * |
| * @return <code>true</code> iff this is a reference to an |
| * instance initialization method |
| */ |
| public final boolean isClassInit() { |
| return name.getString().equals("<clinit>"); |
| } |
| } |