com.astamuse.asta4d.web.dispatch.response.provider.SerialProvider Maven / Gradle / Ivy

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/*
 * Copyright 2012 astamuse company,Ltd.
 * 
 * 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 com.astamuse.asta4d.web.dispatch.response.provider;

import java.util.ArrayList;
import java.util.List;

import org.apache.commons.lang3.tuple.Pair;

import com.astamuse.asta4d.web.dispatch.response.writer.ContentWriter;
import com.astamuse.asta4d.web.dispatch.response.writer.SerialWriter;
import com.astamuse.asta4d.web.util.DeclareInstanceUtil;

@SuppressWarnings("rawtypes")
public class SerialProvider implements ContentProvider>> {

    private List> contentProviderList = new ArrayList<>();

    public SerialProvider() {
    }

    public SerialProvider(ContentProvider... contentProviders) {
        for (ContentProvider contentProvider : contentProviders) {
            contentProviderList.add(contentProvider);
        }
    }

    public List> getContentProviderList() {
        return contentProviderList;
    }

    @Override
    public boolean isContinuable() {
        for (ContentProvider cp : contentProviderList) {
            if (!cp.isContinuable()) {
                return false;
            }
        }
        return true;
    }

    @Override
    public List> produce() throws Exception {
        List> list = new ArrayList<>(contentProviderList.size());
        Pair p;
        for (ContentProvider cp : contentProviderList) {
            p = Pair.of((Object) cp.produce(), (ContentWriter) DeclareInstanceUtil.createInstance(cp.getContentWriter()));
            list.add(p);
        }
        return list;

    }

    @Override
    public Class>>> getContentWriter() {
        return SerialWriter.class;
    }

}