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1
19
20 package org.netbeans.core.registry;
21
22
23 import org.openide.filesystems.FileObject;
24 import org.openide.filesystems.FileSystem;
25
26 import java.io.IOException  ;
27 import java.util.Enumeration ;
28 import java.util.Collection ;
29 import java.util.Set ;
30 import java.util.HashSet ;
31 import java.awt.*;
32 import java.net.URL ;
33
34 final class PrimitiveBinding extends ObjectBinding {
35 public static final String PRIMITIVE_BINDING_PREFIX = "BINDING:";
36
37 private FileObject folder;
38 private String bindingName;
39
40 public String getBindingName() {
41 return bindingName;
42 }
43
44 public Object createInstance() throws IOException {
45 Object o = folder.getAttribute(PRIMITIVE_BINDING_PREFIX + bindingName);
46 if (o != null) {
47 o = convertToObject(o);
48 }
49 return o;
50 }
51
52 static boolean isCustomizedAndAttachedToRoot (FileSystem customFS, FileObject folder, String bindingName) {
56 String name = folder.getPath().replace('/', '\\');
57 return (customFS.getRoot().getAttribute(name+"\\"+PRIMITIVE_BINDING_PREFIX+bindingName) != null) ? true : false;
58 }
59
60 static void deleteIfCustomizedAndAttachedToRoot (FileSystem customFS, FileObject folder, String bindingName) throws IOException {
64 String name = folder.getPath().replace('/', '\\');
65 FileObject root = customFS.getRoot();
66 if (root.getAttribute(name+"\\"+PRIMITIVE_BINDING_PREFIX+bindingName) != null) {
67 root.setAttribute(name+"\\"+PRIMITIVE_BINDING_PREFIX+bindingName, null);
68 }
69 }
70
71 static ObjectBinding get(FileObject folder, String bindingName) {
72 return isValid(folder, bindingName) ? new PrimitiveBinding(folder, bindingName) : null;
73 }
74
75 static Collection getAll(FileObject folder) {
76 Set retVal = new HashSet ();
77 Enumeration en = folder.getAttributes();
78 while (en.hasMoreElements()) {
79 String attr = (String ) en.nextElement();
80 if (attr.startsWith(PRIMITIVE_BINDING_PREFIX)) {
81 ObjectBinding ob = PrimitiveBinding.get(folder, attr.substring(PRIMITIVE_BINDING_PREFIX.length()));
82 if (ob != null) retVal.add(ob);
83 }
84 }
85 return retVal;
86 }
87
88
89
92 static ObjectBinding create(FileObject folder, String bindingName, Object object) {
93 if (!isPrimitive(object)) return null;
94
95 object = convertToPrimitive(object);
96 try {
97 folder.setAttribute(PRIMITIVE_BINDING_PREFIX + bindingName, object);
98 } catch (IOException e) {
99 }
101
102 return isValid(folder, bindingName) ? new PrimitiveBinding(folder, bindingName) : null;
103 }
104
105 private PrimitiveBinding(FileObject folder, String bindingName) {
106 super(folder);
107 this.folder = folder;
108 this.bindingName = bindingName;
109 }
110
111 public void delete() throws IOException {
112 if (isEnabled()) {
113 deleteAllAttributes();
115 folder.setAttribute(PRIMITIVE_BINDING_PREFIX + bindingName, null);
117 }
118 }
119
120 private void deleteAllAttributes() throws IOException {
121 Enumeration en = folder.getAttributes();
122 while (en.hasMoreElements()) {
123 String attrName = (String ) en.nextElement();
124 if (attrName.startsWith(ContextImpl.PRIMITIVE_BINDING_ATTR_PREFIX + bindingName + "/")) {
125 folder.setAttribute(attrName, null);
126 }
127 }
128 }
129
130 public boolean isEnabled() {
131 return isValid(folder, bindingName);
132 }
133
134 public ObjectBinding write(Object object) throws IOException {
135 return super.write(object);
136 }
137
138 private static boolean isValid(FileObject folder, String bindingName) {
139 return (folder.getAttribute(PRIMITIVE_BINDING_PREFIX + bindingName) != null);
140 }
141
142 private static Object convertToPrimitive(Object o) {
143 if (!((o instanceof Font) || (o instanceof Color))) {
144 return o;
147 }
148
149 String value;
150 if (o instanceof Font) {
151 Font f = (Font) o;
152 String strStyle;
153
154 if (f.isBold()) {
155 strStyle = f.isItalic() ? "bolditalic" : "bold";
156 } else {
157 strStyle = f.isItalic() ? "italic" : "plain";
158 }
159 value = "Font[" + f.getFamily() + "-" + strStyle + "-" + f.getSize() + "]";
160 } else {
161 value = "Color[" + Integer.toString(((Color) o).getRGB()) + "]";
162 }
163 return value;
164 }
165
166 static boolean isPrimitive(Object o) {
167 if (o instanceof String ||
168 o instanceof Integer ||
169 o instanceof Long ||
170 o instanceof Boolean ||
171 o instanceof Float ||
172 o instanceof Double ||
173 o instanceof Font ||
174 o instanceof URL ||
175 o instanceof Color) {
176 return true;
177 } else {
178 return false;
179 }
180 }
181
182 private static Object convertToObject(Object o) {
183 if ((!(o instanceof String )) || (!(((String ) o).endsWith("]")))) {
184 return o;
185 }
186 try {
187 String string = (String ) o;
188 String val = string.substring(0, string.length() - 1);
189 if (val.startsWith("Font[")) {
190 val = val.substring("Font[".length());
191 return Font.decode(val);
192 } else if (val.startsWith("Color[")) {
193 val = val.substring("Color[".length());
194 return Color.decode(val);
195 }
196 } catch (Exception e) {
197 }
199 return o;
200 }
201
202 }
203 |
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