X-Git-Url: https://juplo.de/gitweb/?p=website;a=blobdiff_plain;f=dist%2Fhibernate-maven-plugin-2.1.0%2Fxref%2Fde%2Fjuplo%2Fplugins%2Fhibernate%2FModificationTracker.html;fp=dist%2Fhibernate-maven-plugin-2.1.0%2Fxref%2Fde%2Fjuplo%2Fplugins%2Fhibernate%2FModificationTracker.html;h=cb669fc6b258c0a610cfd413b766a90f51ae3e36;hp=0000000000000000000000000000000000000000;hb=a53595184bd6e57bdc45292cc92c393c4e2dfe6e;hpb=c48c9ee0e9faa89a4c0a5323b367b9f5a6abe602
diff --git a/dist/hibernate-maven-plugin-2.1.0/xref/de/juplo/plugins/hibernate/ModificationTracker.html b/dist/hibernate-maven-plugin-2.1.0/xref/de/juplo/plugins/hibernate/ModificationTracker.html
new file mode 100644
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+
+
+
+ModificationTracker xref
+
+
+
+
+1 package de.juplo.plugins.hibernate;
+2
+3
+4 import java.io.File;
+5 import java.io.FileInputStream;
+6 import java.io.FileOutputStream;
+7 import java.io.IOException;
+8 import java.io.InputStream;
+9 import java.io.ObjectInputStream;
+10 import java.io.ObjectOutputStream;
+11 import java.math.BigInteger;
+12 import java.security.MessageDigest;
+13 import java.security.NoSuchAlgorithmException;
+14 import java.util.HashMap;
+15 import java.util.HashSet;
+16 import java.util.Map;
+17 import java.util.Properties;
+18 import java.util.Set;
+19 import org.apache.maven.plugin.logging.Log;
+20
+21
+22
+23
+24
+25
+26
+27 public class ModificationTracker
+28 {
+29 private Map<String,String> properties;
+30 private Map<String,String> classes;
+31
+32 private final Set<String> propertyNames;
+33 private final Set<String> classNames;
+34
+35 private boolean modified = false;
+36 private boolean failed = false;
+37
+38 private final File saved;
+39 private final MessageDigest digest;
+40 private final Log log;
+41
+42
+43 ModificationTracker(String buildDirectory, String filename, Log log)
+44 throws
+45 NoSuchAlgorithmException
+46 {
+47 propertyNames = new HashSet<String>();
+48 classNames = new HashSet<String>();
+49 File output = new File(filename + ".md5s");
+50 if (output.isAbsolute())
+51 {
+52 saved = output;
+53 }
+54 else
+55 {
+56
+57 saved = new File(buildDirectory, output.getPath());
+58 log.debug("Adjusted relative path, resulting path is " + saved.getPath());
+59 }
+60 digest = java.security.MessageDigest.getInstance("MD5");
+61 this.log = log;
+62 }
+63
+64
+65 private String calculate(InputStream is)
+66 throws
+67 IOException
+68 {
+69 byte[] buffer = new byte[1024*4];
+70 int i;
+71 while((i = is.read(buffer)) > -1)
+72 digest.update(buffer, 0, i);
+73 is.close();
+74 byte[] bytes = digest.digest();
+75 BigInteger bi = new BigInteger(1, bytes);
+76 return String.format("%0" + (bytes.length << 1) + "x", bi);
+77 }
+78
+79 private boolean check(Map<String,String> values, String name, String value)
+80 {
+81 if (!values.containsKey(name) || !values.get(name).equals(value))
+82 {
+83 values.put(name, value);
+84 return true;
+85 }
+86 else
+87 return false;
+88 }
+89
+90
+91 boolean track(String name, InputStream is) throws IOException
+92 {
+93 boolean result = check(classes, name, calculate(is));
+94 classNames.add(name);
+95 modified |= result;
+96 return result;
+97 }
+98
+99
+100 boolean check(String name, String property)
+101 {
+102 propertyNames.add(name);
+103 return check(properties, name, property);
+104 }
+105
+106 boolean track(String name, String property)
+107 {
+108 boolean result = check(name, property);
+109 modified |= result;
+110 return result;
+111 }
+112
+113 boolean track(Properties properties)
+114 {
+115 boolean result = false;
+116 for (String name : properties.stringPropertyNames())
+117 result |= track(name, properties.getProperty(name));
+118 return result;
+119 }
+120
+121
+122 void touch()
+123 {
+124 modified = true;
+125 }
+126
+127 boolean modified()
+128 {
+129 for (String property : new HashSet<String>(properties.keySet()))
+130 if (!propertyNames.contains(property))
+131 {
+132 modified = true;
+133 properties.remove(property);
+134 }
+135 for (String clazz : new HashSet<String>(classes.keySet()))
+136 if (!classNames.contains(clazz))
+137 {
+138 modified = true;
+139 classes.remove(clazz);
+140 }
+141 return modified;
+142 }
+143
+144
+145 void failed()
+146 {
+147 failed = true;
+148 }
+149
+150
+151 void load()
+152 {
+153 if (saved.isFile() && saved.length() > 0)
+154 {
+155 try
+156 {
+157 FileInputStream fis = new FileInputStream(saved);
+158 ObjectInputStream ois = new ObjectInputStream(fis);
+159 properties = (HashMap<String,String>)ois.readObject();
+160 classes = (HashMap<String,String>)ois.readObject();
+161 ois.close();
+162 }
+163 catch (Exception e)
+164 {
+165 properties = new HashMap<String,String>();
+166 classes = new HashMap<String,String>();
+167 log.warn("Cannot read md5s from saved: " + e);
+168 }
+169 }
+170 else
+171 {
+172 properties = new HashMap<String,String>();
+173 classes = new HashMap<String,String>();
+174 try
+175 {
+176 saved.createNewFile();
+177 }
+178 catch (IOException e)
+179 {
+180 log.debug("Cannot create file \"" + saved.getPath() + "\" for md5s: " + e);
+181 }
+182 }
+183 }
+184
+185 void save()
+186 {
+187 if (failed)
+188 {
+189 saved.delete();
+190 return;
+191 }
+192
+193 if (!modified)
+194 return;
+195
+196
+197 try
+198 {
+199 FileOutputStream fos = new FileOutputStream(saved);
+200 ObjectOutputStream oos = new ObjectOutputStream(fos);
+201 oos.writeObject(properties);
+202 oos.writeObject(classes);
+203 oos.close();
+204 fos.close();
+205 }
+206 catch (Exception e)
+207 {
+208 log.error("Cannot write md5-sums to file: " + e);
+209 }
+210 }
+211 }
+
+
+
+
+