Revision 42559
| trunk/org.gvsig.desktop/org.gvsig.desktop.framework/org.gvsig.andami/src/main/java/org/gvsig/andami/plugins/PluginClassLoader.java | ||
|---|---|---|
| 36 | 36 |
import java.util.ArrayList; |
| 37 | 37 |
import java.util.Arrays; |
| 38 | 38 |
import java.util.Enumeration; |
| 39 |
import java.util.HashMap; |
|
| 39 | 40 |
import java.util.HashSet; |
| 40 | 41 |
import java.util.Hashtable; |
| 41 | 42 |
import java.util.Iterator; |
| ... | ... | |
| 74 | 75 |
*/ |
| 75 | 76 |
private static Logger logger = LoggerFactory.getLogger(PluginClassLoader.class.getName()); |
| 76 | 77 |
|
| 77 |
/** |
|
| 78 |
* DOCUMENT ME! |
|
| 79 |
*/ |
|
| 80 |
private Hashtable<String, ZipFile> clasesJar = new Hashtable<String, ZipFile>(); |
|
| 81 | 78 |
|
| 82 |
/**
|
|
| 83 |
* DOCUMENT ME! |
|
| 84 |
*/ |
|
| 79 |
private Map<String, ZipFile> clasesJar = new HashMap<>();
|
|
| 80 |
|
|
| 81 |
|
|
| 85 | 82 |
private File baseDir; |
| 86 | 83 |
private List<PluginClassLoader> pluginLoaders; |
| 87 |
private static List<ClassLoader> otherLoaders = new ArrayList<ClassLoader>();
|
|
| 84 |
private static List<ClassLoader> otherLoaders = new ArrayList<>(); |
|
| 88 | 85 |
private boolean isOtherLoader = false; |
| 89 | 86 |
|
| 90 | 87 |
/** |
| ... | ... | |
| 107 | 104 |
public PluginClassLoader(URL[] jars, String baseDir, ClassLoader cl, |
| 108 | 105 |
List<PluginClassLoader> pluginLoaders) throws IOException {
|
| 109 | 106 |
super(jars, cl); |
| 110 |
logger.debug("Creating PluginClassLoader for {}.", baseDir);
|
|
| 111 | 107 |
this.baseDir = new File(new File(baseDir).getAbsolutePath()); |
| 112 |
this.pluginLoaders = new ArrayList(); |
|
| 113 |
this.pluginLoaders.addAll(pluginLoaders); |
|
| 108 |
try {
|
|
| 109 |
logger.debug("Creating PluginClassLoader for {}.", this.getPluginName());
|
|
| 110 |
this.pluginLoaders = new ArrayList(); |
|
| 111 |
this.pluginLoaders.addAll(pluginLoaders); |
|
| 114 | 112 |
|
| 115 |
if (jars == null || jars.length < 1) {
|
|
| 116 |
debugDump(); |
|
| 117 |
return; |
|
| 118 |
} |
|
| 119 |
ZipFile[] jarFiles = new ZipFile[jars.length]; |
|
| 113 |
if (jars == null || jars.length < 1) {
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|
| 114 |
debugDump();
|
|
| 115 |
return;
|
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}
|
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ZipFile[] jarFiles = new ZipFile[jars.length];
|
|
| 120 | 118 |
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| 121 |
for (int i = 0; i < jars.length; i++) {
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|
| 122 |
try {
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|
| 123 |
jarFiles[i] = new ZipFile(jars[i].getPath()); |
|
| 119 |
for (int i = 0; i < jars.length; i++) {
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| 120 |
try {
|
|
| 121 |
logger.debug("Classloader {}, loading jar {}", this.getPluginName(), jars[i].getPath());
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jarFiles[i] = new ZipFile(jars[i].getPath()); |
|
| 124 | 123 |
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| 125 |
Enumeration<? extends ZipEntry> entradas = jarFiles[i].entries(); |
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Enumeration<? extends ZipEntry> entradas = jarFiles[i].entries();
|
|
| 126 | 125 |
|
| 127 |
while (entradas.hasMoreElements()) {
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| 128 |
ZipEntry file = (ZipEntry) entradas.nextElement(); |
|
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String fileName = file.getName(); |
|
| 126 |
while (entradas.hasMoreElements()) {
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ZipEntry file = (ZipEntry) entradas.nextElement();
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String fileName = file.getName();
|
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| 130 | 129 |
|
| 131 |
if (!fileName.toLowerCase().endsWith(".class")) { //$NON-NLS-1$
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if (!fileName.toLowerCase().endsWith(".class")) { //$NON-NLS-1$
|
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| 132 | 131 |
|
| 133 |
continue; |
|
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} |
|
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continue;
|
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}
|
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| 135 | 134 |
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fileName = fileName.substring(0, fileName.length() - 6) |
|
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.replace('/', '.');
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fileName = fileName.substring(0, fileName.length() - 6)
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.replace('/', '.');
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| 138 | 137 |
|
| 139 |
if (clasesJar.get(fileName) != null) {
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logger.warn("Duplicated class {} in {} and {}",
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new Object[]{
|
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fileName, |
|
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jarFiles[i].getName(), |
|
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clasesJar.get(fileName).getName() |
|
| 145 |
} |
|
| 146 |
); |
|
| 147 |
} else {
|
|
| 148 |
clasesJar.put(fileName, jarFiles[i]); |
|
| 138 |
if (clasesJar.get(fileName) != null) {
|
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| 139 |
logger.warn("Classloader {}, duplicated class {} in {} and {}",
|
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new Object[]{
|
|
| 141 |
this.getPluginName(), |
|
| 142 |
fileName, |
|
| 143 |
jarFiles[i].getName(), |
|
| 144 |
clasesJar.get(fileName).getName() |
|
| 145 |
} |
|
| 146 |
); |
|
| 147 |
} else {
|
|
| 148 |
clasesJar.put(fileName, jarFiles[i]); |
|
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} |
|
| 149 | 150 |
} |
| 151 |
} catch (ZipException e) {
|
|
| 152 |
throw new IOException(e.getMessage() + " Jar: " |
|
| 153 |
+ jars[i].getPath() + ": " + jarFiles[i]); |
|
| 154 |
} catch (IOException e) {
|
|
| 155 |
throw e; |
|
| 150 | 156 |
} |
| 151 |
} catch (ZipException e) {
|
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| 152 |
throw new IOException(e.getMessage() + " Jar: " |
|
| 153 |
+ jars[i].getPath() + ": " + jarFiles[i]); |
|
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} catch (IOException e) {
|
|
| 155 |
throw e; |
|
| 156 |
} finally {
|
|
| 157 |
debugDump(); |
|
| 158 | 157 |
} |
| 158 |
} finally {
|
|
| 159 |
debugDump(); |
|
| 159 | 160 |
} |
| 160 | 161 |
} |
| 161 | 162 |
|
| ... | ... | |
| 167 | 168 |
logger.debug(" baseDir: " + this.baseDir);
|
| 168 | 169 |
logger.debug(" parent: " + this.getParent());
|
| 169 | 170 |
logger.debug(" depends:");
|
| 170 |
for (int n = 0; n < this.pluginLoaders.size(); n++) {
|
|
| 171 |
logger.debug(" {}", this.pluginLoaders.get(n).toString());
|
|
| 171 |
for (PluginClassLoader pluginLoader : this.pluginLoaders) {
|
|
| 172 |
logger.debug(" {}", pluginLoader.toString());
|
|
| 172 | 173 |
} |
| 173 | 174 |
logger.debug(" urls:");
|
| 174 | 175 |
URL[] urls = this.getURLs(); |
| 175 |
for (int n = 0; n < urls.length; n++) {
|
|
| 176 |
logger.debug(" " + urls[n].toString());
|
|
| 176 |
for (URL url : urls) {
|
|
| 177 |
logger.debug(" " + url.toString());
|
|
| 177 | 178 |
} |
| 178 |
logger.debug(" classes:");
|
|
| 179 |
Iterator<Map.Entry<String, ZipFile>> it = this.clasesJar.entrySet().iterator(); |
|
| 180 |
while (it.hasNext()) {
|
|
| 181 |
Entry<String, ZipFile> entry = it.next(); |
|
| 182 |
logger.debug(" " + entry.getKey() + "(" + entry.getValue().getName() + ")");
|
|
| 183 |
} |
|
| 179 |
// logger.debug(" classes:");
|
|
| 180 |
// Iterator<Map.Entry<String, ZipFile>> it = this.clasesJar.entrySet().iterator();
|
|
| 181 |
// while (it.hasNext()) {
|
|
| 182 |
// Entry<String, ZipFile> entry = it.next();
|
|
| 183 |
// logger.debug(" " + entry.getKey() + "(" + entry.getValue().getName() + ")");
|
|
| 184 |
// }
|
|
| 184 | 185 |
} |
| 185 | 186 |
|
| 186 | 187 |
protected Class singleLoadClass(String name) throws ClassNotFoundException {
|
| 187 | 188 |
Class<?> c; |
| 188 |
Set<String> pluginsVisiteds = new HashSet<String>();
|
|
| 189 |
Set<String> pluginsVisiteds = new HashSet<>(); |
|
| 189 | 190 |
c = this.singleLoadClass(pluginsVisiteds, name); |
| 190 | 191 |
return c; |
| 191 | 192 |
} |
| ... | ... | |
| 200 | 201 |
* |
| 201 | 202 |
* @throws ClassNotFoundException Si no se pudo encontrar la clase |
| 202 | 203 |
*/ |
| 204 |
@Override |
|
| 203 | 205 |
protected Class loadClass(String name, boolean resolve) |
| 204 | 206 |
throws ClassNotFoundException {
|
| 205 | 207 |
Class<?> c = null; |
| 206 | 208 |
|
| 207 |
// Intentamos cargar con el system classloader
|
|
| 209 |
// Intentamos cargar con el URLClassLoader
|
|
| 208 | 210 |
try {
|
| 209 | 211 |
if (!isOtherLoader) {
|
| 210 | 212 |
c = super.loadClass(name, resolve); |
| 211 |
logger.debug("Found class {} in system-classloader", name);
|
|
| 213 |
logger.debug("Classloader {}, found class {}.", this.getPluginName(), name);
|
|
| 212 | 214 |
} |
| 213 | 215 |
} catch (ClassNotFoundException e1) {
|
| 214 | 216 |
try {
|
| ... | ... | |
| 237 | 239 |
|
| 238 | 240 |
private Class<?> loadOtherClass(String name) |
| 239 | 241 |
throws ClassNotFoundException {
|
| 240 |
ClassLoader[] ocl = (ClassLoader[]) otherLoaders.toArray(new ClassLoader[0]); |
|
| 241 |
Class<?> c = null;
|
|
| 242 |
for (int i = 0; i < ocl.length; i++) {
|
|
| 243 |
c = ocl[i].loadClass(name);
|
|
| 242 |
ClassLoader[] ocls = (ClassLoader[]) otherLoaders.toArray(new ClassLoader[0]);
|
|
| 243 |
Class<?> c; |
|
| 244 |
for (ClassLoader ocl : ocls) {
|
|
| 245 |
c = ocl.loadClass(name); |
|
| 244 | 246 |
if (c != null) {
|
| 245 |
logger.debug("Found class {} by the alternative classloaders of plugin {}",
|
|
| 246 |
name, baseDir);
|
|
| 247 |
|
|
| 247 |
logger.debug("Classloader {}, found class {} in classloader {}",
|
|
| 248 |
new Object[]{this, getPluginName(), name, ocl.toString()}
|
|
| 249 |
); |
|
| 248 | 250 |
return c; |
| 249 | 251 |
} |
| 250 | 252 |
} |
| ... | ... | |
| 341 | 343 |
* |
| 342 | 344 |
* @return Resource's URL if it was found, nul otherwise. |
| 343 | 345 |
*/ |
| 346 |
@Override |
|
| 344 | 347 |
public URL getResource(String res) {
|
| 345 |
URL ret = null;
|
|
| 348 |
URL ret ; |
|
| 346 | 349 |
|
| 347 |
Set<String> pluginsVisiteds = new HashSet<String>();
|
|
| 350 |
Set<String> pluginsVisiteds = new HashSet<>(); |
|
| 348 | 351 |
ret = this.getResource(pluginsVisiteds, res); |
| 349 | 352 |
return ret; |
| 350 | 353 |
} |
| ... | ... | |
| 364 | 367 |
|
| 365 | 368 |
String parte = res.get(0); |
| 366 | 369 |
|
| 367 |
for (int i = 0; i < files.length; i++) {
|
|
| 368 |
if (files[i].getName().compareTo(parte) == 0) {
|
|
| 370 |
for (File file : files) {
|
|
| 371 |
if (file.getName().compareTo(parte) == 0) {
|
|
| 369 | 372 |
if (res.size() == 1) {
|
| 370 | 373 |
try {
|
| 371 |
return new URL("file:" + files[i].toString());
|
|
| 372 |
} catch (MalformedURLException e) {
|
|
| 374 |
return new URL("file:" + file.toString());
|
|
| 375 |
}catch (MalformedURLException e) {
|
|
| 373 | 376 |
return null; |
| 374 | 377 |
} |
| 375 | 378 |
} else {
|
| 376 |
return getResource(files[i], res.subList(1, res.size()));
|
|
| 379 |
return getResource(file, res.subList(1, res.size())); |
|
| 377 | 380 |
} |
| 378 | 381 |
} |
| 379 | 382 |
} |
| ... | ... | |
| 394 | 397 |
/* |
| 395 | 398 |
* @see java.security.SecureClassLoader#getPermissions(java.security.CodeSource) |
| 396 | 399 |
*/ |
| 400 |
@Override |
|
| 397 | 401 |
protected PermissionCollection getPermissions(CodeSource codesource) {
|
| 398 | 402 |
PermissionCollection perms = super.getPermissions(codesource); |
| 399 | 403 |
perms.add(new AllPermission()); |
| ... | ... | |
| 446 | 450 |
return c; |
| 447 | 451 |
} |
| 448 | 452 |
|
| 449 |
logger.debug("Searching class '{}' in {}", new Object[]{name, this.toString()});
|
|
| 453 |
logger.debug("Classloader {}, searching class '{}'",
|
|
| 454 |
new Object[]{this.getPluginName(), name}
|
|
| 455 |
); |
|
| 450 | 456 |
try {
|
| 451 | 457 |
ZipFile jar = (ZipFile) clasesJar.get(name); |
| 452 | 458 |
|
| ... | ... | |
| 459 | 465 |
if (f.exists()) {
|
| 460 | 466 |
byte[] data = loadClassData(f); |
| 461 | 467 |
c = defineClass(name, data, 0, data.length); |
| 462 |
logger.debug("Found class {} in classes-folder of plugin {}",
|
|
| 463 |
new Object[]{name, baseDir});
|
|
| 468 |
logger.debug("Classloader {}/classes-folder, found class {}",
|
|
| 469 |
new Object[]{this.getPluginName(), name}
|
|
| 470 |
); |
|
| 464 | 471 |
|
| 465 | 472 |
} else {
|
| 466 |
//Buscamos en los otros plugins |
|
| 467 |
for (int i = 0; i < pluginLoaders.size(); i++) {
|
|
| 473 |
for (PluginClassLoader pluginLoader1 : pluginLoaders) {
|
|
| 468 | 474 |
c = null; |
| 469 |
if (pluginLoaders.get(i) != null) {
|
|
| 475 |
PluginClassLoader pluginLoader = pluginLoader1; |
|
| 476 |
if (pluginLoader != null) {
|
|
| 470 | 477 |
try {
|
| 471 |
c = pluginLoaders.get(i).singleLoadClass(pluginsVisiteds, name);
|
|
| 478 |
c = pluginLoader.singleLoadClass(pluginsVisiteds, name); |
|
| 472 | 479 |
} catch (ClassNotFoundException e) {
|
| 473 | 480 |
// Si no la encontramos en el primer plugin, capturamos la exceptcion |
| 474 | 481 |
// porque es probable que la encontremos en el resto de plugins. |
| 475 | 482 |
} |
| 483 |
if (c != null) {
|
|
| 484 |
logger.debug("Classloader {}, found class {} in plugin {}",
|
|
| 485 |
new Object[]{
|
|
| 486 |
this.getPluginName(), |
|
| 487 |
name, |
|
| 488 |
pluginLoader.getPluginName() |
|
| 489 |
} |
|
| 490 |
); |
|
| 491 |
return c; |
|
| 492 |
} |
|
| 476 | 493 |
} |
| 477 |
if (c != null) {
|
|
| 478 |
return c; |
|
| 479 |
} |
|
| 480 | 494 |
} |
| 495 |
|
|
| 496 |
|
|
| 481 | 497 |
} |
| 482 | 498 |
} else {
|
| 499 |
logger.debug("Classloader {}, found class {} in jar {}",
|
|
| 500 |
new Object[]{
|
|
| 501 |
this.getPluginName(), |
|
| 502 |
name, |
|
| 503 |
jar.getName() |
|
| 504 |
} |
|
| 505 |
); |
|
| 483 | 506 |
String fileName = name.replace('.', '/') + ".class";
|
| 484 | 507 |
ZipEntry classFile = jar.getEntry(fileName); |
| 485 | 508 |
byte[] data = loadClassData(classFile, |
| 486 | 509 |
jar.getInputStream(classFile)); |
| 487 | 510 |
|
| 488 | 511 |
c = defineClass(name, data, 0, data.length); |
| 512 |
if (c == null) {
|
|
| 513 |
logger.debug("Classloader {}, can't load class {} from jar {}",
|
|
| 514 |
new Object[]{
|
|
| 515 |
this.getPluginName(), |
|
| 516 |
name, |
|
| 517 |
jar.getName() |
|
| 518 |
} |
|
| 519 |
); |
|
| 520 |
} |
|
| 489 | 521 |
|
| 490 |
logger.debug("Found class {} in jar {} of plugin {}",
|
|
| 491 |
new Object[]{name, jar.getName(), baseDir});
|
|
| 492 | 522 |
} |
| 493 | 523 |
|
| 494 | 524 |
if (c == null) {
|
| 525 |
logger.debug("Classloader {}, class not found {}",
|
|
| 526 |
new Object[]{
|
|
| 527 |
this.getPluginName(), |
|
| 528 |
name |
|
| 529 |
} |
|
| 530 |
); |
|
| 531 |
debugDump(); |
|
| 495 | 532 |
throw new ClassNotFoundException(name); |
| 496 | 533 |
} |
| 497 | 534 |
|
| 498 | 535 |
return c; |
| 499 | 536 |
} catch (IOException e) {
|
| 537 |
logger.debug("Classloader {}, error loading class {}",
|
|
| 538 |
new Object[]{
|
|
| 539 |
this.getPluginName(), |
|
| 540 |
name |
|
| 541 |
}, |
|
| 542 |
e |
|
| 543 |
); |
|
| 500 | 544 |
throw new ClassNotFoundException(Messages.getString( |
| 501 | 545 |
"PluginClassLoader.Error_reading_file") + name); |
| 502 | 546 |
} |
| ... | ... | |
| 524 | 568 |
// |
| 525 | 569 |
// Primero buscamos en el directorio del plugin. |
| 526 | 570 |
try {
|
| 527 |
logger.debug("Plugin {}. Searching resource '{}'", res, this.getPluginName());
|
|
| 528 |
List<String> resource = new ArrayList<String>();
|
|
| 571 |
logger.debug("Classloader {}, searching resource '{}'", this.getPluginName(), res);
|
|
| 572 |
List<String> resource = new ArrayList<>(); |
|
| 529 | 573 |
StringTokenizer st = new StringTokenizer(res, "\\/"); |
| 530 | 574 |
while (st.hasMoreTokens()) {
|
| 531 | 575 |
String token = st.nextToken(); |
| ... | ... | |
| 536 | 580 |
return ret; |
| 537 | 581 |
} |
| 538 | 582 |
} catch (Exception e) {
|
| 539 |
logger.warn("Plugin {}. Error getting resource '{}'.", new Object[]{this.getPluginName(), res}, e);
|
|
| 583 |
logger.warn("Classloader {}, Error getting resource '{}'.",
|
|
| 584 |
new Object[]{
|
|
| 585 |
this.getPluginName(), res |
|
| 586 |
}, |
|
| 587 |
e |
|
| 588 |
); |
|
| 540 | 589 |
} |
| 541 | 590 |
|
| 542 |
logger.debug("Plugin {}. Searching in depends pluginLoaders", this.getPluginName());
|
|
| 543 |
for (int i = 0; i < this.pluginLoaders.size(); i++) {
|
|
| 544 |
PluginClassLoader pluginClassLoader = pluginLoaders.get(i); |
|
| 591 |
logger.debug("Classloader {}, searching in depends pluginLoaders", this.getPluginName());
|
|
| 592 |
for (PluginClassLoader pluginClassLoader : this.pluginLoaders) {
|
|
| 545 | 593 |
if (pluginClassLoader != null) {
|
| 546 | 594 |
try {
|
| 547 | 595 |
pluginsVisiteds.add(pluginClassLoader.getPluginName()); |
| 548 | 596 |
ret = pluginClassLoader.getResource(pluginsVisiteds, res); |
| 549 | 597 |
if (ret != null) {
|
| 550 |
logger.trace("Plugin {}. Found resource '{}' in plugin '{}'.",
|
|
| 598 |
logger.debug("Classloader {}, Found resource '{}' in plugin '{}'.",
|
|
| 551 | 599 |
new Object[]{
|
| 552 |
this.getPluginName(), pluginClassLoader.getPluginName(), res |
|
| 553 |
}); |
|
| 600 |
this.getPluginName(), res, pluginClassLoader.getPluginName(),}); |
|
| 554 | 601 |
return ret; |
| 555 | 602 |
} |
| 556 | 603 |
} catch (Exception e) {
|
| ... | ... | |
| 565 | 612 |
try {
|
| 566 | 613 |
ret = super.getResource(res); |
| 567 | 614 |
} catch (Exception e) {
|
| 568 |
logger.warn("Plugin {}. Error getting resource '{}' in parent classloader'", new Object[]{this.getPluginName(), res}, e);
|
|
| 615 |
logger.warn("Classloader {}, error getting resource '{}' in parent classloader'",
|
|
| 616 |
new Object[]{this.getPluginName(), res},
|
|
| 617 |
e |
|
| 618 |
); |
|
| 569 | 619 |
} |
| 570 | 620 |
if (ret == null) {
|
| 571 |
logger.debug("Plugin {}. Resource '{}' not found.", new Object[]{this.getPluginName(), res});
|
|
| 621 |
logger.debug("Classloader {}, Resource '{}' not found.",
|
|
| 622 |
new Object[]{this.getPluginName(), res}
|
|
| 623 |
); |
|
| 572 | 624 |
} |
| 573 | 625 |
} |
| 574 | 626 |
return ret; |
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