1
22
23 package com.liferay.portal.image;
24
25 import com.liferay.documentlibrary.NoSuchFileException;
26 import com.liferay.documentlibrary.service.DLLocalServiceUtil;
27 import com.liferay.documentlibrary.service.DLServiceUtil;
28 import com.liferay.portal.NoSuchImageException;
29 import com.liferay.portal.PortalException;
30 import com.liferay.portal.SystemException;
31 import com.liferay.portal.kernel.util.FileUtil;
32 import com.liferay.portal.kernel.util.StringPool;
33 import com.liferay.portal.model.Image;
34 import com.liferay.portal.util.PortletKeys;
35
36 import java.io.ByteArrayInputStream;
37 import java.io.IOException;
38 import java.io.InputStream;
39
40 import java.util.Date;
41
42
48 public class DLHook extends BaseHook {
49
50 public void deleteImage(Image image)
51 throws PortalException, SystemException {
52
53 String fileName = getFileName(image.getImageId(), image.getType());
54
55 try {
56 DLServiceUtil.deleteFile(
57 _COMPANY_ID, _PORTLET_ID, _REPOSITORY_ID, fileName);
58 }
59 catch (NoSuchFileException nsfe) {
60 throw new NoSuchImageException(nsfe);
61 }
62 }
63
64 public byte[] getImageAsBytes(Image image)
65 throws PortalException, SystemException {
66
67 String fileName = getFileName(image.getImageId(), image.getType());
68
69 InputStream is = DLLocalServiceUtil.getFileAsStream(
70 _COMPANY_ID, _REPOSITORY_ID, fileName);
71
72 byte[] bytes = null;
73
74 try {
75 bytes = FileUtil.getBytes(is);
76 }
77 catch (IOException ioe) {
78 throw new SystemException(ioe);
79 }
80
81 return bytes;
82 }
83
84 public InputStream getImageAsStream(Image image)
85 throws PortalException, SystemException {
86
87 String fileName = getFileName(image.getImageId(), image.getType());
88
89 return DLLocalServiceUtil.getFileAsStream(
90 _COMPANY_ID, _REPOSITORY_ID, fileName);
91 }
92
93 public void updateImage(Image image, String type, byte[] bytes)
94 throws PortalException, SystemException {
95
96 String fileName = getFileName(image.getImageId(), image.getType());
97 Date now = new Date();
98 InputStream is = new ByteArrayInputStream(bytes);
99
100 if (DLLocalServiceUtil.hasFile(
101 _COMPANY_ID, _REPOSITORY_ID, fileName, _VERSION_NUMBER)) {
102
103 DLServiceUtil.deleteFile(
104 _COMPANY_ID, _PORTLET_ID, _REPOSITORY_ID, fileName);
105 }
106
107 DLLocalServiceUtil.addFile(
108 _COMPANY_ID, _PORTLET_ID, _GROUP_ID, _REPOSITORY_ID, fileName,
109 _FILE_ENTRY_ID, _PROPERTIES, now, _TAGS_CATEGORIES, _TAGS_ENTRIES,
110 is);
111 }
112
113 protected String getFileName(long imageId, String type) {
114 return imageId + StringPool.PERIOD + type;
115 }
116
117 private static final long _COMPANY_ID = 0;
118 private static final long _FILE_ENTRY_ID = 0;
119 private static final long _GROUP_ID = 0;
120 private static final String _PORTLET_ID = PortletKeys.PORTAL;
121 private static final String _PROPERTIES = StringPool.BLANK;
122 private static final long _REPOSITORY_ID = 0;
123 private static final String[] _TAGS_CATEGORIES = new String[0];
124 private static final String[] _TAGS_ENTRIES = new String[0];
125 private static final double _VERSION_NUMBER = 1.0;
126
127 }