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)
036 throws PortalException, SystemException {
037
038 String fileName = getFileName(image.getImageId(), image.getType());
039
040 try {
041 DLStoreUtil.deleteFile(_COMPANY_ID, _REPOSITORY_ID, fileName);
042 }
043 catch (NoSuchFileException nsfe) {
044 throw new NoSuchImageException(nsfe);
045 }
046 }
047
048 @Override
049 public byte[] getImageAsBytes(Image image)
050 throws PortalException, SystemException {
051
052 String fileName = getFileName(image.getImageId(), image.getType());
053
054 InputStream is = DLStoreUtil.getFileAsStream(
055 _COMPANY_ID, _REPOSITORY_ID, fileName);
056
057 byte[] bytes = null;
058
059 try {
060 bytes = FileUtil.getBytes(is);
061 }
062 catch (IOException ioe) {
063 throw new SystemException(ioe);
064 }
065
066 return bytes;
067 }
068
069 @Override
070 public InputStream getImageAsStream(Image image)
071 throws PortalException, SystemException {
072
073 String fileName = getFileName(image.getImageId(), image.getType());
074
075 return DLStoreUtil.getFileAsStream(
076 _COMPANY_ID, _REPOSITORY_ID, fileName);
077 }
078
079 @Override
080 public void updateImage(Image image, String type, byte[] bytes)
081 throws PortalException, SystemException {
082
083 String fileName = getFileName(image.getImageId(), image.getType());
084
085 if (DLStoreUtil.hasFile(_COMPANY_ID, _REPOSITORY_ID, fileName)) {
086 DLStoreUtil.deleteFile(_COMPANY_ID, _REPOSITORY_ID, fileName);
087 }
088
089 DLStoreUtil.addFile(_COMPANY_ID, _REPOSITORY_ID, fileName, true, bytes);
090 }
091
092 protected String getFileName(long imageId, String type) {
093 return imageId + StringPool.PERIOD + type;
094 }
095
096 private static final long _COMPANY_ID = 0;
097
098 private static final long _REPOSITORY_ID = 0;
099
100 }