com.appglu.android.sync.MockSyncOperations.java Source code

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Here is the source code for com.appglu.android.sync.MockSyncOperations.java

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/*******************************************************************************
 * Copyright 2013 AppGlu, Inc.
 * 
 * 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.appglu.android.sync;

import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
import java.util.List;

import org.codehaus.jackson.map.ObjectMapper;
import org.springframework.core.io.ClassPathResource;

import com.appglu.AppGluRestClientException;
import com.appglu.InputStreamCallback;
import com.appglu.SyncOperations;
import com.appglu.TableChanges;
import com.appglu.TableChangesCallback;
import com.appglu.TableVersion;
import com.appglu.impl.json.TableChangesBody;
import com.appglu.impl.json.TableChangesJsonParser;
import com.appglu.impl.json.TableVersionBody;
import com.appglu.impl.json.jackson.AppGluModule;
import com.appglu.impl.json.jackson.JacksonTableChangesJsonParser;
import com.appglu.impl.util.IOUtils;

public class MockSyncOperations implements SyncOperations {

    private ObjectMapper objectMapper = new ObjectMapper();

    private String changesForTablesJson;
    private String versionsForTablesJson;

    private TableChangesJsonParser tableChangesJsonParser;

    public MockSyncOperations(String changesForTablesJson, String versionsForTablesJson) {
        this.changesForTablesJson = changesForTablesJson;
        this.versionsForTablesJson = versionsForTablesJson;

        this.objectMapper.registerModule(new AppGluModule());
        this.tableChangesJsonParser = new JacksonTableChangesJsonParser(objectMapper);
    }

    public TableChanges changesForTable(String tableName, long version) throws AppGluRestClientException {
        throw new UnsupportedOperationException("Not implemented by this mock");
    }

    public List<TableChanges> changesForTables(TableVersion... tables) throws AppGluRestClientException {
        return this.changesForTables(Arrays.asList(tables));
    }

    public List<TableChanges> changesForTables(List<TableVersion> tables) throws AppGluRestClientException {
        if (changesForTablesJson == null) {
            return null;
        }

        InputStream inputStream = null;
        try {
            inputStream = this.jsonInputStream(changesForTablesJson);
            TableChangesBody body = objectMapper.readValue(inputStream, TableChangesBody.class);
            return body.getTables();
        } catch (IOException e) {
            throw new AppGluRestClientException(e);
        } finally {
            IOUtils.closeQuietly(inputStream);
        }
    }

    public void changesForTables(TableChangesCallback tableChangesCallback, TableVersion... tables)
            throws AppGluRestClientException {
        this.changesForTables(Arrays.asList(tables), tableChangesCallback);
    }

    public void changesForTables(List<TableVersion> tables, final TableChangesCallback tableChangesCallback)
            throws AppGluRestClientException {
        this.downloadChangesForTables(tables, new InputStreamCallback() {

            public void doWithInputStream(InputStream inputStream) throws IOException {
                tableChangesJsonParser.parseTableChanges(inputStream, tableChangesCallback);
            }
        });
    }

    public void downloadChangesForTables(InputStreamCallback inputStreamCallback, TableVersion... tables)
            throws AppGluRestClientException {
        this.downloadChangesForTables(Arrays.asList(tables), inputStreamCallback);
    }

    public void downloadChangesForTables(List<TableVersion> tables, InputStreamCallback inputStreamCallback)
            throws AppGluRestClientException {
        if (changesForTablesJson == null) {
            return;
        }

        InputStream inputStream = null;
        try {
            inputStream = this.jsonInputStream(changesForTablesJson);
            inputStreamCallback.doWithInputStream(inputStream);
        } catch (IOException e) {
            throw new AppGluRestClientException(e);
        } finally {
            IOUtils.closeQuietly(inputStream);
        }
    }

    public List<TableVersion> versionsForTables(String... tables) throws AppGluRestClientException {
        return this.versionsForTables(Arrays.asList(tables));
    }

    public List<TableVersion> versionsForTables(List<String> tables) throws AppGluRestClientException {
        if (versionsForTablesJson == null) {
            return null;
        }

        InputStream inputStream = null;
        try {
            inputStream = this.jsonInputStream(versionsForTablesJson);
            TableVersionBody body = objectMapper.readValue(inputStream, TableVersionBody.class);
            return body.getTables();
        } catch (IOException e) {
            throw new AppGluRestClientException(e);
        } finally {
            IOUtils.closeQuietly(inputStream);
        }
    }

    protected InputStream jsonInputStream(String filename) throws IOException {
        ClassPathResource classPathResource = new ClassPathResource(filename + ".json", getClass());
        return classPathResource.getInputStream();
    }

    public void parseTableChanges(InputStream inputStream, TableChangesCallback tableChangesCallback)
            throws IOException {
        tableChangesJsonParser.parseTableChanges(inputStream, tableChangesCallback);
    }

}