org.duracloud.snapshot.service.impl.ContentPropertiesWriter.java Source code

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Here is the source code for org.duracloud.snapshot.service.impl.ContentPropertiesWriter.java

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/*
 * The contents of this file are subject to the license and copyright
 * detailed in the LICENSE and NOTICE files at the root of the source
 * tree and available online at
 *
 *     http://duracloud.org/license/
 */
package org.duracloud.snapshot.service.impl;

import org.duracloud.client.ContentStore;
import org.duracloud.common.constant.Constants;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.batch.core.ExitStatus;
import org.springframework.batch.core.ItemWriteListener;
import org.springframework.batch.core.StepExecution;
import org.springframework.batch.core.StepExecutionListener;
import org.springframework.batch.item.ItemWriter;

import java.util.List;

/**
 * @author Daniel Bernstein 
 *         Date: Aug 22, 2014
 */
public class ContentPropertiesWriter
        implements ItemWriter<ContentProperties>, StepExecutionListener, ItemWriteListener<ContentProperties> {
    private static Logger log = LoggerFactory.getLogger(ContentPropertiesWriter.class);
    private String destinationSpaceId;
    private ContentStore contentStore;
    private String storeId;
    private String storageProviderType;

    /**
     * @param contentStore
     * @param destinationSpaceId
     */
    public ContentPropertiesWriter(ContentStore contentStore, String destinationSpaceId) {
        this.contentStore = contentStore;
        this.destinationSpaceId = destinationSpaceId;
        this.storeId = contentStore.getStoreId();
        this.storageProviderType = contentStore.getStorageProviderType();
        log.debug("constructed ContentPropertiesWriter for destination spaceId ({}), storeId ({}), storeType({})",
                destinationSpaceId, storeId, storageProviderType);
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.springframework.batch.core.StepExecutionListener#afterStep(org.
     * springframework.batch.core.StepExecution)
     */
    @Override
    public ExitStatus afterStep(StepExecution stepExecution) {
        ExitStatus status = stepExecution.getExitStatus();
        log.debug("firing:  status = {}", status);
        return status;
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.springframework.batch.core.ItemWriteListener#afterWrite(java.util
     * .List)
     */
    @Override
    public void afterWrite(List<? extends ContentProperties> items) {
        log.debug("firing afterWrite {}", items);
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.springframework.batch.core.StepExecutionListener#beforeStep(org.
     * springframework.batch.core.StepExecution)
     */
    @Override
    public void beforeStep(StepExecution stepExecution) {
        log.debug("firing beforeStep {}", stepExecution);

    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.springframework.batch.core.ItemWriteListener#beforeWrite(java.util
     * .List)
     */
    @Override
    public void beforeWrite(List<? extends ContentProperties> items) {
        log.debug("firing beforeWrite {}", items);

    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.springframework.batch.core.ItemWriteListener#onWriteError(java.lang
     * .Exception, java.util.List)
     */
    @Override
    public void onWriteError(Exception exception, List<? extends ContentProperties> items) {
        log.error("firing onWriteError: currrently not handling: exception message=" + exception.getMessage(),
                exception);
        for (ContentProperties props : items) {
            log.error("item failed: " + props);
        }
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.springframework.batch.item.ItemWriter#write(java.util.List)
     */
    @Override
    public void write(List<? extends ContentProperties> items) throws Exception {
        for (ContentProperties props : items) {
            if (!Constants.SNAPSHOT_PROPS_FILENAME.equals(props.getContentId())) {
                this.contentStore.setContentProperties(destinationSpaceId, props.getContentId(),
                        props.getProperties());
                log.debug("wrote content properties ({}) to space ({}) on store ({}/{}):", props,
                        destinationSpaceId, storeId, storageProviderType);
            }
        }
    }

}