org.gradle.api.internalivyservice.DefaultIvyExtraInfo Maven / Gradle / Ivy

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/*
 * Copyright 2014 the original author or authors.
 *
 * 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.gradle.api.internal.artifacts.ivyservice;

import javax.xml.namespace.QName;

import com.google.common.base.Joiner;
import org.gradle.api.InvalidUserDataException;
import org.gradle.api.Transformer;
import org.gradle.api.artifacts.ivy.IvyExtraInfo;
import org.gradle.util.CollectionUtils;

import java.util.*;

public class DefaultIvyExtraInfo implements IvyExtraInfo {
    protected Map extraInfo;

    public DefaultIvyExtraInfo() {
        this.extraInfo = new LinkedHashMap();
    }

    public DefaultIvyExtraInfo(Map extraInfo) {
        this.extraInfo = extraInfo;
    }

    @Override
    public String get(String name) {
        List> foundEntries = new ArrayList>();
        for (Map.Entry entry : extraInfo.entrySet()) {
            if (entry.getKey().getName().equals(name)) {
                foundEntries.add(entry);
            }
        }
        if (foundEntries.size() > 1) {
            String allNamespaces = Joiner.on(", ").join(CollectionUtils.collect(foundEntries, new Transformer>() {
                @Override
                public String transform(Map.Entry original) {
                    return original.getKey().getNamespace();
                }
            }));
            throw new InvalidUserDataException(String.format("Cannot get extra info element named '%s' by name since elements with this name were found from multiple namespaces (%s).  Use get(String namespace, String name) instead.", name, allNamespaces));
        }
        return foundEntries.size() == 0 ? null : foundEntries.get(0).getValue();
    }

    @Override
    public String get(String namespace, String name) {
        return extraInfo.get(new NamespaceId(namespace, name));
    }

    @Override
    public Map asMap() {
        Map map = new LinkedHashMap();
        for (Map.Entry entry : extraInfo.entrySet()) {
            map.put(new QName(entry.getKey().getNamespace(), entry.getKey().getName()), entry.getValue());
        }
        return Collections.unmodifiableMap(map);
    }
}