org.teavm.platform.plugin.BuildTimeResourceMap Maven / Gradle / Ivy

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A low-level classes that help to implement Java class library

There is a newer version: 0.10.2

/*
 *  Copyright 2014 Alexey Andreev.
 *
 *  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.teavm.platform.plugin;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import org.teavm.backend.javascript.codegen.SourceWriter;
import org.teavm.backend.javascript.rendering.RenderingUtil;
import org.teavm.platform.metadata.Resource;
import org.teavm.platform.metadata.ResourceMap;

class BuildTimeResourceMap implements ResourceMap, ResourceWriter {
    private Map data = new HashMap<>();

    @Override
    public boolean has(String key) {
        return data.containsKey(key);
    }

    @Override
    public T get(String key) {
        return data.get(key);
    }

    @Override
    public void put(String key, T value) {
        data.put(key, value);
    }

    @Override
    public void write(SourceWriter writer) throws IOException {
        writer.append('{');
        boolean first = true;
        for (Map.Entry entry : data.entrySet()) {
            if (!first) {
                writer.append(",").ws();
            }
            first = false;
            RenderingUtil.writeString(writer, entry.getKey());
            writer.append(':').ws();
            ResourceWriterHelper.write(writer, entry.getValue());
        }
        writer.append('}').tokenBoundary();
    }

    @Override
    public String[] keys() {
        return data.keySet().toArray(new String[0]);
    }
}