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1 package org.sapia.regis.util;
2
3 import java.io.BufferedReader  ;
4 import java.io.File ;
5 import java.io.FileInputStream ;
6 import java.io.FileNotFoundException ;
7 import java.io.IOException ;
8 import java.io.InputStream ;
9 import java.io.InputStreamReader ;
10 import java.net.URL ;
11 import java.util.Enumeration ;
12 import java.util.Iterator ;
13 import java.util.Map ;
14 import java.util.Properties ;
15
16 import org.sapia.util.text.SystemContext;
17 import org.sapia.util.text.TemplateContextIF;
18 import org.sapia.util.text.TemplateElementIF;
19 import org.sapia.util.text.TemplateException;
20 import org.sapia.util.text.TemplateFactory;
21
22 public class Utils {
23
24 public static void copyMapToProps(Properties target, Map src){
25 Iterator itr = src.entrySet().iterator();
26 while(itr.hasNext()){
27 String key = (String )itr.next();
28 target.setProperty(key, (String )src.get(key));
29 }
30 }
31
32 public static void copyPropsToMap(Map target, Properties src){
33 Enumeration en = src.propertyNames();
34 while(en.hasMoreElements()){
35 String key = (String )en.nextElement();
36 target.put(key, src.getProperty(key));
37 }
38 }
39
40 public static void loadProps(Class clazz, Properties props, String resource) throws FileNotFoundException , IOException {
41 InputStream is = load(clazz, resource);
42 try{
43 props.load(is);
44 Properties newProps = replaceVars(new SystemContext(), props);
45 Enumeration names = newProps.propertyNames();
46 while(names.hasMoreElements()){
47 String name = (String )names.nextElement();
48 props.setProperty(name, newProps.getProperty(name));
49 }
50 }finally{
51 is.close();
52 }
53 }
54
55 public static InputStream load(Class clazz, String resource) throws FileNotFoundException , IOException {
56 InputStream is = null;
57 try{
58 is = new FileInputStream (new File (resource));
59 }catch(IOException e){
60 }
62 if(is == null){
63 try{
64 is = new URL (resource).openStream();
65 }catch(IOException e){
66 }
68 }
69 if(is == null){
70 is = clazz.getClassLoader().getResourceAsStream(resource);
71 }
72 if(is == null){
73 is = Thread.currentThread().getContextClassLoader().getResourceAsStream(resource);
74 }
75 if(is == null){
76 throw new FileNotFoundException (resource);
77 }
78 return is;
79 }
80
81 public static String loadAsString(InputStream is) throws IOException , Exception {
82 BufferedReader reader = new BufferedReader (new InputStreamReader (is));
83 String line;
84 StringBuffer buf = new StringBuffer ();
85 while((line = reader.readLine()) != null){
86 buf.append(line);
87 buf.append(System.getProperty("line.separator"));
88 }
89 is.close();
90 return buf.toString();
91 }
92
93
107 public static Properties replaceVars(TemplateContextIF ctx,
108 Properties props){
109 return doReplaceVars(ctx, props, true);
110 }
111
112 public static Properties doReplaceVars(TemplateContextIF ctx,
113 Properties props, boolean secondPass){
114 Enumeration names = props.propertyNames();
115 Properties result = new Properties (props);
116 TemplateFactory fac = new TemplateFactory();
117 PropertiesContext child = new PropertiesContext(props, ctx);
118 while(names.hasMoreElements()){
119 String name = (String )names.nextElement();
120 String value = props.getProperty(name);
121 if(value != null){
122 TemplateElementIF elem = fac.parse(value);
123 try{
124 value = elem.render(child);
125 }catch(TemplateException e){
126 }
128 result.setProperty(name, value);
129 }
130 }
131 if(secondPass){
132 return doReplaceVars(ctx, result, false);
133 }
134 return result;
135 }
136
137 public static void deleteRecurse(File f){
138 if(f.isDirectory()){
139 File [] files = f.listFiles();
140 if(files != null){
141 for(int i = 0; i < files.length; i++){
142 if(files[i].isDirectory()){
143 deleteRecurse(files[i]);
144 }
145 else{
146 files[i].delete();
147 }
148 }
149 }
150 f.delete();
151 }
152 else{
153 f.delete();
154 }
155 }
156 }
157 |
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