org.glassfish.admin.rest.composite.RestCollection Maven / Gradle / Ivy
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package org.glassfish.admin.rest.composite;
import java.util.AbstractSet;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.TreeSet;
import org.glassfish.admin.rest.composite.metadata.RestModelMetadata;
/**
*
* @author jdlee
*/
public class RestCollection {
private List models = new ArrayList();
private List metadata = new ArrayList();
public void put(String id, T model) {
models.add(model);
metadata.add(new RestModelMetadata(id));
}
public T get(String id) {
return get (new RestModelMetadata(id));
}
public T remove(String id) {
return remove (new RestModelMetadata(id));
}
public boolean containsKey(String id) {
return containsKey (new RestModelMetadata(id));
}
public int size() {
return models.size();
}
public boolean isEmpty() {
return models.isEmpty();
}
public boolean containsKey(Object key) {
checkClass(RestModelMetadata.class, key.getClass());
RestModelMetadata desired = (RestModelMetadata) key;
boolean found = false;
for (RestModelMetadata md : metadata) {
if (md.equals(desired)) {
found = true;
break;
}
}
return found;
}
public boolean containsValue(Object value) {
checkClass(RestModel.class, value.getClass());
RestModel desired = (RestModel) value;
boolean found = false;
for (T rm : models) {
if (rm.equals(desired)) {
found = true;
break;
}
}
return found;
}
public T get(Object key) {
checkClass(RestModelMetadata.class, key.getClass());
RestModelMetadata desired = (RestModelMetadata) key;
T result = null;
for (int index = 0, total = metadata.size(); index < total; index++) {
if (metadata.get(index).equals(desired)) {
result = models.get(index);
break;
}
}
return result;
}
public T put(RestModelMetadata key, T value) {
models.add(value);
metadata.add(key);
return value;
}
public T remove(Object key) {
checkClass(RestModelMetadata.class, key.getClass());
RestModelMetadata desired = (RestModelMetadata) key;
T result = null;
for (int index = 0, total = metadata.size(); index < total; index++) {
if (metadata.get(index).equals(desired)) {
result = models.get(index);
models.remove(index);
metadata.remove(index);
break;
}
}
return result;
}
public void putAll(Map m) {
for (Map.Entry entry : m.entrySet()) {
metadata.add(entry.getKey());
models.add(entry.getValue());
}
}
public void clear() {
models.clear();
metadata.clear();
}
public Set keySet() {
return new TreeSet(metadata);
}
public Collection values() {
return new RestModelSet(models);
}
public Set> entrySet() {
if (metadata.size() != models.size()) {
throw new IllegalStateException("InternalError: keys and values out of sync");
}
ArrayList al = new ArrayList();
for (int i = 0; i < metadata.size(); i++) {
al.add(new RestCollectionEntry(metadata.get(i), models.get(i)));
}
return new TreeSet>(al);
}
protected void checkClass(Class desired, Class given) throws IllegalArgumentException {
if (!desired.isAssignableFrom(given)) {
throw new IllegalArgumentException("Expected " + desired.getName() + ". Found " + given.getName());
}
}
private class RestCollectionEntry implements Map.Entry, Comparable {
private RestModelMetadata key;
private T value;
public RestCollectionEntry(RestModelMetadata key, T value) {
this.key = key;
this.value = value;
}
@Override
public RestModelMetadata getKey() {
return key;
}
@Override
public T getValue() {
return value;
}
@Override
public T setValue(T newValue) {
value = newValue;
return newValue;
}
@Override
public int compareTo(Object o) {
if (!(o instanceof RestCollectionEntry)) {
throw new IllegalArgumentException(
"Huh? Not a MapEntry?");
}
Object otherKey = ((RestCollectionEntry) o).getKey();
return ((Comparable) key).compareTo((Comparable) otherKey);
}
@Override
public int hashCode() {
int hash = 3;
return hash;
}
@Override
public boolean equals(Object obj) {
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
final RestCollectionEntry other = (RestCollectionEntry) obj;
if (this.key != other.key && (this.key == null || !this.key.equals(other.key))) {
return false;
}
if (this.value != other.value && (this.value == null || !this.value.equals(other.value))) {
return false;
}
return true;
}
}
private static class RestModelSet extends AbstractSet {
private List items;
private RestModelSet(List items) {
this.items = items;
}
@Override
public Iterator iterator() {
return items.iterator();
}
@Override
public int size() {
return items.size();
}
@Override
public boolean containsAll(Collection objects) {
throw new UnsupportedOperationException("Not supported yet.");
}
/*
@Override
public boolean contains(Object o) {
for (T item : items) {
if (CompositeUtil.compare(item, o)) {
return true;
}
}
return false;
}
*/
}
}