com.googlecode.ehcache.annotations.key.StringCacheKeyGenerator Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of ehcache-spring-annotations Show documentation
Show all versions of ehcache-spring-annotations Show documentation
Provides a simple model for integrating Ehcache in a Spring project via annotations.
/**
* Copyright 2010 Nicholas Blair, Eric Dalquist
*
* 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.googlecode.ehcache.annotations.key;
/**
* @author Eric Dalquist
* @version $Revision: 427 $
*/
public class StringCacheKeyGenerator extends AbstractDeepCacheKeyGenerator {
/**
* Name of the bean this generator is registered under using the default constructor.
*/
public static final String DEFAULT_BEAN_NAME = "com.googlecode.ehcache.annotations.key.StringCacheKeyGenerator.DEFAULT_BEAN_NAME";
/**
* @see AbstractCacheKeyGenerator#AbstractCacheKeyGenerator()
*/
public StringCacheKeyGenerator() {
}
/**
* @see AbstractCacheKeyGenerator#AbstractCacheKeyGenerator(boolean, boolean)
*/
public StringCacheKeyGenerator(boolean includeMethod, boolean includeParameterTypes) {
super(includeMethod, includeParameterTypes);
}
public static class StringGenerator {
private final StringBuilder builder = new StringBuilder();
private int depth = 0;
private StringGenerator() {
}
}
@Override
protected StringCacheKeyGenerator.StringGenerator getGenerator(Object... data) {
return new StringGenerator();
}
@Override
protected String generateKey(StringCacheKeyGenerator.StringGenerator generator) {
return generator.builder.toString();
}
@Override
protected void beginRecursion(StringCacheKeyGenerator.StringGenerator generator, Object e) {
generator.builder.append("[");
generator.depth++;
}
@Override
protected void endRecursion(StringCacheKeyGenerator.StringGenerator generator, Object e) {
final int length = generator.builder.length();
if (generator.depth > 0 && length > 2) {
generator.builder.delete(length - 2, length);
}
if (generator.depth > 1) {
generator.builder.append("], ");
}
else {
generator.builder.append("]");
}
generator.depth--;
}
@Override
protected void append(StringGenerator generator, boolean[] a) {
generator.builder.append("[");
if (a.length > 0) {
int index = 0;
for (; index < a.length - 1; index++) {
generator.builder.append(a[index]).append(", ");
}
generator.builder.append(a[a.length - 1]);
}
generator.builder.append("], ");
}
@Override
protected void append(StringGenerator generator, byte[] a) {
generator.builder.append("[");
if (a.length > 0) {
int index = 0;
for (; index < a.length - 1; index++) {
generator.builder.append(a[index]).append(", ");
}
generator.builder.append(a[a.length - 1]);
}
generator.builder.append("], ");
}
@Override
protected void append(StringGenerator generator, char[] a) {
generator.builder.append("[");
if (a.length > 0) {
int index = 0;
for (; index < a.length - 1; index++) {
generator.builder.append(a[index]).append(", ");
}
generator.builder.append(a[a.length - 1]);
}
generator.builder.append("], ");
}
@Override
protected void append(StringGenerator generator, double[] a) {
generator.builder.append("[");
if (a.length > 0) {
int index = 0;
for (; index < a.length - 1; index++) {
generator.builder.append(a[index]).append(", ");
}
generator.builder.append(a[a.length - 1]);
}
generator.builder.append("], ");
}
@Override
protected void append(StringGenerator generator, float[] a) {
generator.builder.append("[");
if (a.length > 0) {
int index = 0;
for (; index < a.length - 1; index++) {
generator.builder.append(a[index]).append(", ");
}
generator.builder.append(a[a.length - 1]);
}
generator.builder.append("], ");
}
@Override
protected void append(StringGenerator generator, int[] a) {
generator.builder.append("[");
if (a.length > 0) {
int index = 0;
for (; index < a.length - 1; index++) {
generator.builder.append(a[index]).append(", ");
}
generator.builder.append(a[a.length - 1]);
}
generator.builder.append("], ");
}
@Override
protected void append(StringGenerator generator, long[] a) {
generator.builder.append("[");
if (a.length > 0) {
int index = 0;
for (; index < a.length - 1; index++) {
generator.builder.append(a[index]).append(", ");
}
generator.builder.append(a[a.length - 1]);
}
generator.builder.append("], ");
}
@Override
protected void append(StringGenerator generator, short[] a) {
generator.builder.append("[");
if (a.length > 0) {
int index = 0;
for (; index < a.length - 1; index++) {
generator.builder.append(a[index]).append(", ");
}
generator.builder.append(a[a.length - 1]);
}
generator.builder.append("], ");
}
@Override
protected void append(StringCacheKeyGenerator.StringGenerator generator, Object e) {
generator.builder.append(e.toString()).append(", ");
}
@Override
protected void appendGraphCycle(StringCacheKeyGenerator.StringGenerator generator, Object o) {
generator.builder.append("[...], ");
}
@Override
protected void appendNull(StringCacheKeyGenerator.StringGenerator generator) {
generator.builder.append("null, ");
}
@Override
protected boolean shouldReflect(Object element) {
return !this.getReflectionHelper().implementsToString(element);
}
}