56 lines
1.6 KiB
Java
56 lines
1.6 KiB
Java
/*
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* Copyright (C) 2011 The Guava Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under the License
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* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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* or implied. See the License for the specific language governing permissions and limitations under
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* the License.
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*/
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package com.google.common.hash;
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import java.nio.charset.Charset;
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/**
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* An abstract hasher, implementing {@link #putBoolean(boolean)},
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* {@link #putDouble(double)}, {@link #putFloat(float)},
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* {@link #putUnencodedChars(CharSequence)}, and
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* {@link #putString(CharSequence, Charset)} as prescribed by {@link Hasher}.
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*
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* @author Dimitris Andreou
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*/
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abstract class AbstractHasher implements Hasher {
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@Override
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public final Hasher putBoolean(boolean b) {
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return putByte(b ? (byte) 1 : (byte) 0);
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}
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@Override
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public final Hasher putDouble(double d) {
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return putLong(Double.doubleToRawLongBits(d));
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}
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@Override
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public final Hasher putFloat(float f) {
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return putInt(Float.floatToRawIntBits(f));
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}
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@Override
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public Hasher putUnencodedChars(CharSequence charSequence) {
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for (int i = 0, len = charSequence.length(); i < len; i++) {
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putChar(charSequence.charAt(i));
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}
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return this;
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}
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@Override
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public Hasher putString(CharSequence charSequence, Charset charset) {
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return putBytes(charSequence.toString().getBytes(charset));
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}
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}
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