/*
* Copyright 2013 MovingBlocks
*
* 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 org.terasology.asset;
import com.google.common.base.Objects;
import com.google.common.base.Preconditions;
import org.terasology.engine.Uri;
import org.terasology.naming.Name;
/**
* @author Immortius
*/
public final class AssetUri implements Uri, Comparable<AssetUri> {
public static final String TYPE_SEPARATOR = ":";
private AssetType type;
private Name moduleName = Name.EMPTY;
private Name assetName;
public AssetUri() {
}
public AssetUri(AssetType type, String moduleName, String assetName) {
this(type, new Name(moduleName), new Name(assetName));
}
public AssetUri(AssetType type, Name moduleName, String assetName) {
this(type, moduleName, new Name(assetName));
}
public AssetUri(AssetType type, Name moduleName, Name assetName) {
Preconditions.checkNotNull(type);
Preconditions.checkNotNull(moduleName);
Preconditions.checkNotNull(assetName);
this.type = type;
this.moduleName = moduleName;
this.assetName = assetName;
}
public AssetUri(AssetType type, String simpleUri) {
this.type = type;
String[] split = simpleUri.split(MODULE_SEPARATOR, 2);
if (split.length > 1) {
moduleName = new Name(split[0]);
assetName = new Name(split[1]);
}
}
public AssetUri(String uri) {
String[] typeSplit = uri.split(TYPE_SEPARATOR, 2);
if (typeSplit.length > 1) {
type = AssetType.getTypeForId(typeSplit[0]);
String[] packageSplit = typeSplit[1].split(MODULE_SEPARATOR, 2);
if (packageSplit.length > 1) {
moduleName = new Name(packageSplit[0]);
assetName = new Name(packageSplit[1]);
}
}
}
public AssetType getAssetType() {
return type;
}
@Override
public Name getModuleName() {
return moduleName;
}
public Name getAssetName() {
return assetName;
}
@Override
public boolean isValid() {
return type != null && !moduleName.isEmpty() && !assetName.isEmpty();
}
@Override
public String toString() {
if (!isValid()) {
return "";
}
return type.getTypeId() + TYPE_SEPARATOR + moduleName + MODULE_SEPARATOR + assetName;
}
/**
* @return The asset uri, minus the type
*/
public String toSimpleString() {
if (!isValid()) {
return "";
}
return moduleName + MODULE_SEPARATOR + assetName;
}
@Override
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (obj instanceof AssetUri) {
AssetUri other = (AssetUri) obj;
return Objects.equal(type, other.type)
&& Objects.equal(moduleName, other.moduleName)
&& Objects.equal(assetName, other.assetName);
}
return false;
}
@Override
public int hashCode() {
return Objects.hashCode(type, moduleName, assetName);
}
@Override
public int compareTo(AssetUri o) {
int result = moduleName.compareTo(o.getModuleName());
if (result == 0 && assetName != null && o.assetName != null) {
result = assetName.compareTo(o.getAssetName());
}
return result;
}
}