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