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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.commons.lang3.arch;
/**
* The {@link Processor} represents a microprocessor and defines
* some properties like architecture and type of the microprocessor.
*
* @since 3.6
*/
public class Processor {
/**
* The {@link Arch} enum defines the architecture of
* a microprocessor. The architecture represents the bit value
* of the microprocessor.
* The following architectures are defined:
* <ul>
* <li>32-bit</li>
* <li>64-bit</li>
* <li>Unknown</li>
* </ul>
*/
public enum Arch {
/**
* A 32-bit processor architecture.
*/
BIT_32("32-bit"),
/**
* A 64-bit processor architecture.
*/
BIT_64("64-bit"),
/**
* An unknown-bit processor architecture.
*/
UNKNOWN("Unknown");
/**
* A label suitable for display.
*/
private final String label;
Arch(final String label) {
this.label = label;
}
/**
* Gets the label suitable for display.
*
* @return the label.
*/
public String getLabel() {
return label;
}
}
/**
* The {@link Type} enum defines types of a microprocessor.
* The following types are defined:
* <ul>
* <li>AArch64</li>
* <li>x86</li>
* <li>ia64</li>
* <li>PPC</li>
* <li>Unknown</li>
* </ul>
*/
public enum Type {
/**
* ARM 64-bit.
*
* @since 3.13.0
*/
AARCH_64("AArch64"),
/**
* Intel x86 series of instruction set architectures.
*/
X86("x86"),
/**
* Intel Itanium 64-bit architecture.
*/
IA_64("IA-64"),
/**
* Apple–IBM–Motorola PowerPC architecture.
*/
PPC("PPC"),
/**
* Unknown architecture.
*/
UNKNOWN("Unknown");
/**
* A label suitable for display.
*/
private final String label;
Type(final String label) {
this.label = label;
}
/**
* Gets the label suitable for display.
*
* @return the label.
* @since 3.13.0
*/
public String getLabel() {
return label;
}
}
private final Arch arch;
private final Type type;
/**
* Constructs a {@link Processor} object with the given
* parameters.
*
* @param arch The processor architecture.
* @param type The processor type.
*/
public Processor(final Arch arch, final Type type) {
this.arch = arch;
this.type = type;
}
/**
* Gets the processor architecture as an {@link Arch} enum.
* The processor architecture defines, if the processor has
* a 32 or 64 bit architecture.
*
* @return A {@link Arch} enum.
*/
public Arch getArch() {
return arch;
}
/**
* Gets the processor type as {@link Type} enum.
* The processor type defines, if the processor is for example
* an x86 or PPA.
*
* @return A {@link Type} enum.
*/
public Type getType() {
return type;
}
/**
* Tests if {@link Processor} is 32 bit.
*
* @return {@code true}, if {@link Processor} is {@link Arch#BIT_32}, else {@code false}.
*/
public boolean is32Bit() {
return Arch.BIT_32 == arch;
}
/**
* Tests if {@link Processor} is 64 bit.
*
* @return {@code true}, if {@link Processor} is {@link Arch#BIT_64}, else {@code false}.
*/
public boolean is64Bit() {
return Arch.BIT_64 == arch;
}
/**
* Tests if {@link Processor} is type of Aarch64.
*
* @return {@code true}, if {@link Processor} is {@link Type#X86}, else {@code false}.
*
* @since 3.13.0
*/
public boolean isAarch64() {
return Type.AARCH_64 == type;
}
/**
* Tests if {@link Processor} is type of Intel Itanium.
*
* @return {@code true}. if {@link Processor} is {@link Type#IA_64}, else {@code false}.
*/
public boolean isIA64() {
return Type.IA_64 == type;
}
/**
* Tests if {@link Processor} is type of Power PC.
*
* @return {@code true}. if {@link Processor} is {@link Type#PPC}, else {@code false}.
*/
public boolean isPPC() {
return Type.PPC == type;
}
/**
* Tests if {@link Processor} is type of x86.
*
* @return {@code true}, if {@link Processor} is {@link Type#X86}, else {@code false}.
*/
public boolean isX86() {
return Type.X86 == type;
}
@Override
public String toString() {
final StringBuilder builder = new StringBuilder();
builder.append(type.getLabel()).append(' ').append(arch.getLabel());
return builder.toString();
}
}
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