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