001
014
015 package com.liferay.portal.image;
016
017 import com.liferay.portal.NoSuchImageException;
018 import com.liferay.portal.kernel.exception.PortalException;
019 import com.liferay.portal.kernel.exception.SystemException;
020 import com.liferay.portal.kernel.util.FileUtil;
021 import com.liferay.portal.kernel.util.StringPool;
022 import com.liferay.portal.model.Image;
023 import com.liferay.portlet.documentlibrary.NoSuchFileException;
024 import com.liferay.portlet.documentlibrary.store.DLStoreUtil;
025
026 import java.io.IOException;
027 import java.io.InputStream;
028
029
032 public class DLHook extends BaseHook {
033
034 @Override
035 public void deleteImage(Image image) throws PortalException {
036 String fileName = getFileName(image.getImageId(), image.getType());
037
038 try {
039 DLStoreUtil.deleteFile(_COMPANY_ID, _REPOSITORY_ID, fileName);
040 }
041 catch (NoSuchFileException nsfe) {
042 throw new NoSuchImageException(nsfe);
043 }
044 }
045
046 @Override
047 public byte[] getImageAsBytes(Image image) throws PortalException {
048 String fileName = getFileName(image.getImageId(), image.getType());
049
050 InputStream is = DLStoreUtil.getFileAsStream(
051 _COMPANY_ID, _REPOSITORY_ID, fileName);
052
053 byte[] bytes = null;
054
055 try {
056 bytes = FileUtil.getBytes(is);
057 }
058 catch (IOException ioe) {
059 throw new SystemException(ioe);
060 }
061
062 return bytes;
063 }
064
065 @Override
066 public InputStream getImageAsStream(Image image) throws PortalException {
067 String fileName = getFileName(image.getImageId(), image.getType());
068
069 return DLStoreUtil.getFileAsStream(
070 _COMPANY_ID, _REPOSITORY_ID, fileName);
071 }
072
073 @Override
074 public void updateImage(Image image, String type, byte[] bytes)
075 throws PortalException {
076
077 String fileName = getFileName(image.getImageId(), image.getType());
078
079 if (DLStoreUtil.hasFile(_COMPANY_ID, _REPOSITORY_ID, fileName)) {
080 DLStoreUtil.deleteFile(_COMPANY_ID, _REPOSITORY_ID, fileName);
081 }
082
083 DLStoreUtil.addFile(_COMPANY_ID, _REPOSITORY_ID, fileName, true, bytes);
084 }
085
086 protected String getFileName(long imageId, String type) {
087 return imageId + StringPool.PERIOD + type;
088 }
089
090 private static final long _COMPANY_ID = 0;
091
092 private static final long _REPOSITORY_ID = 0;
093
094 }