org.apache.wink.common.internal.MultivaluedMapImpl Maven / Gradle / Ivy
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package org.apache.wink.common.internal;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Comparator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import javax.ws.rs.core.MultivaluedMap;
public class MultivaluedMapImpl // extends LinkedHashMap>
implements MultivaluedMap, Cloneable {
private static final long serialVersionUID = -1942980976209902832L;
private final Map> map;
public MultivaluedMapImpl() {
map = new LinkedHashMap>();
}
/**
* Used to create a CaseInsensitiveMultivaluedMap
*
* @param keyComparator
*/
MultivaluedMapImpl(Comparator keyComparator) {
map = new TreeMap>(keyComparator);
}
public MultivaluedMapImpl(Map map) {
this();
for (K key : map.keySet()) {
add(key, map.get(key));
}
}
public void add(K key, V value) {
List list = getOrCreate(key);
list.add(value);
}
public V getFirst(K key) {
List list = get(key);
if (list == null || list.size() == 0) {
return null;
}
return list.get(0);
}
public void putSingle(K key, V value) {
List list = getOrCreate(key);
list.clear();
list.add(value);
}
private List getOrCreate(K key) {
List list = this.get(key);
if (list == null) {
list = createValueList(key);
this.put(key, list);
}
return list;
}
private List createValueList(K key) {
return new ArrayList();
}
public MultivaluedMapImpl clone() {
return clone(this);
}
public static MultivaluedMapImpl clone(MultivaluedMap src) {
MultivaluedMapImpl clone = new MultivaluedMapImpl();
copy(src, clone);
return clone;
}
public static void copy(MultivaluedMap src, MultivaluedMap dest) {
for (K key : src.keySet()) {
List value = src.get(key);
List newValue = new ArrayList();
newValue.addAll(value);
dest.put(key, newValue);
}
}
public static void addAll(MultivaluedMap src, MultivaluedMap dest) {
for (K key : src.keySet()) {
List srcList = src.get(key);
List destList = dest.get(key);
if (destList == null) {
destList = new ArrayList(srcList.size());
dest.put(key, destList);
}
destList.addAll(srcList);
}
}
@Override
public String toString() {
return "[" + toString(this, ",") + "]"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
public static String toString(MultivaluedMap, ?> map, String delimiter) {
StringBuilder result = new StringBuilder();
MultivaluedMap, ?> params = map;
String delim = ""; //$NON-NLS-1$
for (Object name : params.keySet()) {
for (Object value : params.get(name)) {
result.append(delim);
if(name == null) {
result.append("null"); //$NON-NLS-1$
} else {
result.append(name.toString());
}
if (value != null) {
result.append('=');
result.append(value.toString());
}
delim = delimiter;
}
}
return result.toString();
}
public static MultivaluedMap toMultivaluedMapString(Map values) {
MultivaluedMap mValues = new MultivaluedMapImpl();
for (String key : values.keySet()) {
Object value = values.get(key);
if (value == null) {
mValues.add(key, null);
} else if (value instanceof Object[]) {
for (Object obj : (Object[])value) {
if (obj == null) {
mValues.add(key, null);
} else {
mValues.add(key, obj.toString());
}
}
} else if (value instanceof List>) {
for (Object obj : (List>)value) {
if (obj == null) {
mValues.add(key, null);
} else {
mValues.add(key, obj.toString());
}
}
} else {
mValues.add(key, value.toString());
}
}
return mValues;
}
public void clear() {
map.clear();
}
public boolean containsKey(Object key) {
return map.containsKey(key);
}
public boolean containsValue(Object value) {
return map.containsValue(value);
}
public Set>> entrySet() {
return map.entrySet();
}
public boolean equals(Object o) {
return map.equals(o);
}
public List get(Object key) {
return map.get(key);
}
public int hashCode() {
return map.hashCode();
}
public boolean isEmpty() {
return map.isEmpty();
}
public Set keySet() {
return map.keySet();
}
public List put(K key, List value) {
return map.put(key, value);
}
public void putAll(Map extends K, ? extends List> t) {
map.putAll(t);
}
public List remove(Object key) {
return map.remove(key);
}
public int size() {
return map.size();
}
public Collection> values() {
return map.values();
}
}
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