/*
* 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.isis.viewer.wicket.viewer.imagecache;
import java.io.Serializable;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import com.google.common.collect.Lists;
import org.apache.isis.core.commons.lang.ClassUtil;
final class ImageResourceCacheKey implements Serializable {
ImageResourceCacheKey(
final Class<?> resourceClass,
final String resourceName) {
this.resourceName = resourceName;
this.resourceClass = resourceClass;
this.toString = calcToString();
}
//region > getResourceClass, getResourceName
private final Class<?> resourceClass;
private final String resourceName;
public final Class<?> getResourceClass() {
return resourceClass;
}
public final String getResourceName() {
return resourceName;
}
//endregion
//region > superKey
ImageResourceCacheKey superKey() {
if(resourceClass == null) {
return null;
}
final Class<?> superclass = resourceClass.getSuperclass();
if(superclass == Object.class) {
return null;
}
return new ImageResourceCacheKey(superclass, resourceName);
}
//endregion
//region > resourcePaths
List<ImageResourceCacheKey> resourcePaths(final String... suffices) {
return resourcePaths(Arrays.asList(suffices));
}
List<ImageResourceCacheKey> resourcePaths(final List<String> suffices) {
ImageResourceCacheKey key;
final List<ImageResourceCacheKey> resourcePaths = Lists.newArrayList();
boolean generated = false;
if(resourceName != null) {
final Class<?> resourceClass = ClassUtil.forNameElseNull(resourceName);
if(resourceClass != null) {
for (String suffix : suffices) {
resourcePaths.add(new ImageResourceCacheKey(resourceClass, resourceClass.getSimpleName() + "." + suffix));
}
generated = true;
}
}
if(!generated && resourceClass != null) {
// with the iconName
if(resourceName != null) {
key = this;
do {
for (String suffix : suffices) {
resourcePaths.add(new ImageResourceCacheKey(key.getResourceClass(), key.getResourceClass().getSimpleName() + "-" + resourceName + "." + suffix));
}
for (String suffix : suffices) {
resourcePaths.add(new ImageResourceCacheKey(key.getResourceClass(), resourceName + "." + suffix));
}
} while ((key = key.superKey()) != null);
key = this;
do {
for (String suffix : suffices) {
resourcePaths.add(new ImageResourceCacheKey(null, key.getResourceClass().getSimpleName() + "-" + resourceName + "." + suffix));
}
} while ((key = key.superKey()) != null);
for (String suffix : suffices) {
resourcePaths.add(new ImageResourceCacheKey(null, resourceName + "." + suffix));
}
}
// without the iconName
key = this;
do {
for (String suffix : suffices) {
resourcePaths.add(new ImageResourceCacheKey(key.getResourceClass(), key.getResourceClass().getSimpleName() + "." + suffix));
}
} while ((key = key.superKey()) != null);
key = this;
do {
for (String suffix : suffices) {
resourcePaths.add(new ImageResourceCacheKey(null, key.getResourceClass().getSimpleName() + "." + suffix));
}
} while ((key = key.superKey()) != null);
generated = true;
}
if(!generated && resourceName != null) {
for (String suffix : suffices) {
resourcePaths.add(new ImageResourceCacheKey(null, resourceName + "." + suffix));
}
}
// fallback
for (String suffix : suffices) {
resourcePaths.add(new ImageResourceCacheKey(null, "Default" + "." + suffix));
}
return Collections.unmodifiableList(resourcePaths);
}
//endregion
//region > equals, hashCode
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
ImageResourceCacheKey key = (ImageResourceCacheKey) o;
if (toString != null ? !toString.equals(key.toString) : key.toString != null) return false;
return true;
}
@Override
public int hashCode() {
return toString != null ? toString.hashCode() : 0;
}
//endregion
//region > toString
private final String toString;
@Override
public String toString() {
return toString;
}
private String calcToString() {
final StringBuilder buf = new StringBuilder();
if(resourceClass != null) {
buf.append(resourceClass.getName()).append("/").append(resourceClass.getSimpleName());
}
if(buf.length() > 0) {
buf.append("-");
}
if(resourceName != null) {
buf.append(resourceName);
}
return buf.toString();
}
//endregion
}