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1
31
32 package org.opencms.setup.xml;
33
34 import org.opencms.configuration.CmsConfigurationManager;
35 import org.opencms.configuration.CmsVfsConfiguration;
36 import org.opencms.configuration.I_CmsXmlConfiguration;
37 import org.opencms.loader.CmsImageLoader;
38 import org.opencms.setup.CmsSetupBean;
39 import org.opencms.util.CmsStringUtil;
40
41 import java.util.Collections  ;
42 import java.util.List ;
43
44 import org.dom4j.Document;
45 import org.dom4j.Node;
46
47
56 public class CmsXmlAddImageLoader extends A_CmsSetupXmlUpdate {
57
58
59 private List m_xpaths;
60
61
64 public String getName() {
65
66 return "Add new Image Loader";
67 }
68
69
72 public String getXmlFilename() {
73
74 return CmsVfsConfiguration.DEFAULT_XML_FILE_NAME;
75 }
76
77
80 public boolean validate(CmsSetupBean setupBean) throws Exception {
81
82 return CmsStringUtil.isNotEmptyOrWhitespaceOnly(getCodeToChange(setupBean));
83 }
84
85
88 protected boolean executeUpdate(Document document, String xpath) {
89
90 Node node = document.selectSingleNode(xpath);
91 if (node == null) {
92 if (xpath.equals(getXPathsToUpdate().get(0))) {
93 CmsSetupXmlHelper.setValue(
94 document,
95 xpath + "/@" + I_CmsXmlConfiguration.A_CLASS,
96 CmsImageLoader.class.getName());
97 CmsSetupXmlHelper.setValue(
98 document,
99 xpath + "/" + I_CmsXmlConfiguration.N_PARAM,
100 Boolean.TRUE.toString());
101 CmsSetupXmlHelper.setValue(document, xpath
102 + "/"
103 + I_CmsXmlConfiguration.N_PARAM
104 + "/@"
105 + I_CmsXmlConfiguration.A_NAME, CmsImageLoader.CONFIGURATION_SCALING_ENABLED);
106 }
107 return true;
108 }
109 return false;
110 }
111
112
115 protected String getCommonPath() {
116
117 return new StringBuffer ("/").append(CmsConfigurationManager.N_ROOT).append("/").append(
119 CmsVfsConfiguration.N_VFS).append("/").append(CmsVfsConfiguration.N_RESOURCES).append("/").append(
120 CmsVfsConfiguration.N_RESOURCELOADERS).toString();
121 }
122
123
126 protected List getXPathsToUpdate() {
127
128 if (m_xpaths == null) {
129 StringBuffer xp = new StringBuffer (256);
131 xp.append("/").append(CmsConfigurationManager.N_ROOT);
132 xp.append("/").append(CmsVfsConfiguration.N_VFS);
133 xp.append("/").append(CmsVfsConfiguration.N_RESOURCES);
134 xp.append("/").append(CmsVfsConfiguration.N_RESOURCELOADERS);
135 xp.append("/").append(CmsVfsConfiguration.N_LOADER);
136 xp.append("[@").append(I_CmsXmlConfiguration.A_CLASS);
137 xp.append("='").append(CmsImageLoader.class.getName()).append("']");
138 m_xpaths = Collections.singletonList(xp.toString());
139 }
140 return m_xpaths;
141 }
142
143 } |
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