本文整理汇总了Java中javax.naming.directory.DirContext.lookup方法的典型用法代码示例。如果您正苦于以下问题:Java DirContext.lookup方法的具体用法?Java DirContext.lookup怎么用?Java DirContext.lookup使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类javax.naming.directory.DirContext
的用法示例。
在下文中一共展示了DirContext.lookup方法的13个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: getReadme
import javax.naming.directory.DirContext; //导入方法依赖的package包/类
/**
* Get the readme file as a string.
*/
protected String getReadme(DirContext directory)
throws IOException, ServletException {
if (readmeFile != null) {
try {
Object obj = directory.lookup(readmeFile);
if ((obj != null) && (obj instanceof Resource)) {
StringWriter buffer = new StringWriter();
InputStream is = ((Resource) obj).streamContent();
copyRange(new InputStreamReader(is),
new PrintWriter(buffer));
return buffer.toString();
}
} catch (NamingException e) {
if (debug > 10)
log("readme '" + readmeFile + "' not found", e);
return null;
}
}
return null;
}
示例2: getResourceAsStream
import javax.naming.directory.DirContext; //导入方法依赖的package包/类
/**
* Return the requested resource as an <code>InputStream</code>. The
* path must be specified according to the rules described under
* <code>getResource</code>. If no such resource can be identified,
* return <code>null</code>.
*
* @param path The path to the desired resource.
*/
public InputStream getResourceAsStream(String path) {
if (path == null || (Globals.STRICT_SERVLET_COMPLIANCE && !path.startsWith("/")))
return (null);
path = RequestUtil.normalize(path);
if (path == null)
return (null);
DirContext resources = context.getResources();
if (resources != null) {
try {
Object resource = resources.lookup(path);
if (resource instanceof Resource)
return (((Resource) resource).streamContent());
} catch (Exception e) {
}
}
return (null);
}
示例3: determineMethodsAllowed
import javax.naming.directory.DirContext; //导入方法依赖的package包/类
/**
* Determines the methods normally allowed for the resource.
*
*/
private StringBuilder determineMethodsAllowed(DirContext dirContext,
HttpServletRequest req) {
StringBuilder methodsAllowed = new StringBuilder();
boolean exists = true;
Object object = null;
try {
String path = getRelativePath(req);
object = dirContext.lookup(path);
} catch (NamingException e) {
exists = false;
}
if (!exists) {
methodsAllowed.append("OPTIONS, MKCOL, PUT, LOCK");
return methodsAllowed;
}
methodsAllowed.append("OPTIONS, GET, HEAD, POST, DELETE, TRACE");
methodsAllowed.append(", PROPPATCH, COPY, MOVE, LOCK, UNLOCK");
if (listings) {
methodsAllowed.append(", PROPFIND");
}
if (!(object instanceof DirContext)) {
methodsAllowed.append(", PUT");
}
return methodsAllowed;
}
示例4: getObjectDn
import javax.naming.directory.DirContext; //导入方法依赖的package包/类
/**
* Low level method: Retrieves a serialized Java Object,
* using the specified dn/pswd for authorization.
* See {@link #storeObjectDn storeObjectDn}.
*
* @param authDn the authorized dn (distinguished name) of the caller
* @param password the password associated with authDn
* @param objectDn the dn of the object.
*/
public Object getObjectDn(
String authDn,
String password,
String objectDn)
throws LdapException
{
chkstg( "object dn", objectDn);
Object obj = null;
DirContext dirctx = getDirContext( authDn, password);
try {
obj = dirctx.lookup( objectDn);
if (bugs >= 1 && obj instanceof Context) {
Context ctx = (Context) obj;
prtln("getObjectDn: got Context: " + ctx.getNameInNamespace());
}
}
catch( NamingException nexc) {
if (bugs >= 1) {
prtln("getObjectDn: nexc: " + nexc);
nexc.printStackTrace();
prtln();
prtln("authDn: \"" + authDn + "\"");
prtln("password: \"" + password + "\"");
prtln("objectDn: \"" + objectDn + "\"");
prtln();
}
throw new LdapException("getObjectDn: exception", nexc);
}
return obj;
}
示例5: determineMethodsAllowed
import javax.naming.directory.DirContext; //导入方法依赖的package包/类
/**
* Determines the methods normally allowed for the resource.
*
*/
private StringBuffer determineMethodsAllowed(DirContext resources,
HttpServletRequest req) {
StringBuffer methodsAllowed = new StringBuffer();
boolean exists = true;
Object object = null;
try {
String path = getRelativePath(req);
object = resources.lookup(path);
} catch (NamingException e) {
exists = false;
}
if (!exists) {
methodsAllowed.append("OPTIONS, MKCOL, PUT, LOCK");
return methodsAllowed;
}
methodsAllowed.append("OPTIONS, GET, HEAD, POST, DELETE, TRACE");
methodsAllowed.append(", PROPPATCH, COPY, MOVE, LOCK, UNLOCK");
if (listings) {
methodsAllowed.append(", PROPFIND");
}
if (!(object instanceof DirContext)) {
methodsAllowed.append(", PUT");
}
return methodsAllowed;
}
示例6: doOptions
import javax.naming.directory.DirContext; //导入方法依赖的package包/类
/**
* OPTIONS Method.
*/
protected void doOptions(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
String path = getRelativePath(req);
resp.addHeader("DAV", "1,2");
String methodsAllowed = null;
// Retrieve the resources
DirContext resources = getResources();
if (resources == null) {
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
return;
}
boolean exists = true;
Object object = null;
try {
object = resources.lookup(path);
} catch (NamingException e) {
exists = false;
}
if (!exists) {
methodsAllowed = "OPTIONS, MKCOL, PUT, LOCK";
resp.addHeader("Allow", methodsAllowed);
return;
}
methodsAllowed = "OPTIONS, GET, HEAD, POST, DELETE, TRACE, "
+ "PROPFIND, PROPPATCH, COPY, MOVE, LOCK, UNLOCK";
if (!(object instanceof DirContext)) {
methodsAllowed += ", PUT";
}
resp.addHeader("Allow", methodsAllowed);
resp.addHeader("MS-Author-Via", "DAV");
}
示例7: getResource
import javax.naming.directory.DirContext; //导入方法依赖的package包/类
/**
* Return the URL to the resource that is mapped to a specified path.
* The path must begin with a "/" and is interpreted as relative to the
* current context root.
*
* @param path The path to the desired resource
*
* @exception MalformedURLException if the path is not given
* in the correct form
*/
public URL getResource(String path)
throws MalformedURLException {
DirContext resources = context.getResources();
if (resources != null) {
String fullPath = context.getName() + path;
// this is the problem. Host must not be null
String hostName = context.getParent().getName();
try {
resources.lookup(path);
if( System.getSecurityManager() != null ) {
try {
PrivilegedGetResource dp =
new PrivilegedGetResource
(hostName, fullPath, resources);
return (URL)AccessController.doPrivileged(dp);
} catch( PrivilegedActionException pe) {
throw pe.getException();
}
} else {
return new URL
("jndi", null, 0, getJNDIUri(hostName, fullPath),
new DirContextURLStreamHandler(resources));
}
} catch (Exception e) {
//e.printStackTrace();
}
}
return (null);
}
示例8: getResourceAsStream
import javax.naming.directory.DirContext; //导入方法依赖的package包/类
/**
* Return the requested resource as an <code>InputStream</code>. The
* path must be specified according to the rules described under
* <code>getResource</code>. If no such resource can be identified,
* return <code>null</code>.
*
* @param path The path to the desired resource.
*/
public InputStream getResourceAsStream(String path) {
DirContext resources = context.getResources();
if (resources != null) {
try {
Object resource = resources.lookup(path);
if (resource instanceof Resource)
return (((Resource) resource).streamContent());
} catch (Exception e) {
}
}
return (null);
}
示例9: determineMethodsAllowed
import javax.naming.directory.DirContext; //导入方法依赖的package包/类
/**
* Determines the methods normally allowed for the resource.
*
*/
private StringBuilder determineMethodsAllowed(DirContext dirContext, HttpServletRequest req) {
StringBuilder methodsAllowed = new StringBuilder();
boolean exists = true;
Object object = null;
try {
String path = getRelativePath(req);
object = dirContext.lookup(path);
} catch (NamingException e) {
exists = false;
}
if (!exists) {
methodsAllowed.append("OPTIONS, MKCOL, PUT, LOCK");
return methodsAllowed;
}
methodsAllowed.append("OPTIONS, GET, HEAD, POST, DELETE");
// Trace - assume disabled unless we can prove otherwise
if (req instanceof RequestFacade && ((RequestFacade) req).getAllowTrace()) {
methodsAllowed.append(", TRACE");
}
methodsAllowed.append(", PROPPATCH, COPY, MOVE, LOCK, UNLOCK");
if (listings) {
methodsAllowed.append(", PROPFIND");
}
if (!(object instanceof DirContext)) {
methodsAllowed.append(", PUT");
}
return methodsAllowed;
}
示例10: resourcesStart
import javax.naming.directory.DirContext; //导入方法依赖的package包/类
/**
* Allocate resources, including proxy.
* Return <code>true</code> if initialization was successfull,
* or <code>false</code> otherwise.
*/
public boolean resourcesStart() {
boolean ok = true;
Hashtable<String, String> env = new Hashtable<String, String>();
if (getParent() != null)
env.put(ProxyDirContext.HOST, getParent().getName());
env.put(ProxyDirContext.CONTEXT, getName());
try {
ProxyDirContext proxyDirContext =
new ProxyDirContext(env, webappResources);
if (webappResources instanceof FileDirContext) {
filesystemBased = true;
((FileDirContext) webappResources).setAllowLinking
(isAllowLinking());
}
if (webappResources instanceof BaseDirContext) {
((BaseDirContext) webappResources).setDocBase(getBasePath());
((BaseDirContext) webappResources).setCached
(isCachingAllowed());
((BaseDirContext) webappResources).setCacheTTL(getCacheTTL());
((BaseDirContext) webappResources).setCacheMaxSize
(getCacheMaxSize());
((BaseDirContext) webappResources).allocate();
// Alias support
((BaseDirContext) webappResources).setAliases(getAliases());
if (effectiveMajorVersion >=3 && addWebinfClassesResources) {
try {
DirContext webInfCtx =
(DirContext) webappResources.lookup(
"/WEB-INF/classes");
// Do the lookup to make sure it exists
webInfCtx.lookup("META-INF/resources");
((BaseDirContext) webappResources).addAltDirContext(
webInfCtx);
} catch (NamingException e) {
// Doesn't exist - ignore and carry on
}
}
}
// Register the cache in JMX
if (isCachingAllowed() && proxyDirContext.getCache() != null) {
String contextName = getName();
if (!contextName.startsWith("/")) {
contextName = "/" + contextName;
}
ObjectName resourcesName =
new ObjectName(this.getDomain() + ":type=Cache,host="
+ getHostname() + ",context=" + contextName);
Registry.getRegistry(null, null).registerComponent
(proxyDirContext.getCache(), resourcesName, null);
}
this.resources = proxyDirContext;
} catch (Throwable t) {
ExceptionUtils.handleThrowable(t);
log.error(sm.getString("standardContext.resourcesStart"), t);
ok = false;
}
return (ok);
}
示例11: doLookupWithoutNNFE
import javax.naming.directory.DirContext; //导入方法依赖的package包/类
private Object doLookupWithoutNNFE(String name) throws NamingException {
if (!aliases.isEmpty()) {
AliasResult result = findAlias(name);
if (result.dirContext != null) {
return result.dirContext.lookup(result.aliasName);
}
}
// Next do a standard lookup
Object obj = doLookup(name);
if (obj != null) {
return obj;
}
// Class files may not be loaded from the alternate locations so don't
// waste cycles looking.
if (name.endsWith(".class")) {
return null;
}
// Check the alternate locations (Resource JARs)
String resourceName = "/META-INF/resources" + name;
for (DirContext altDirContext : altDirContexts) {
if (altDirContext instanceof BaseDirContext) {
obj = ((BaseDirContext) altDirContext)
.doLookupWithoutNNFE(resourceName);
} else {
try {
obj = altDirContext.lookup(resourceName);
} catch (NamingException ex) {
// ignore
}
}
if (obj != null) {
return obj;
}
}
// Return null instead
return null;
}
示例12: resourcesStart
import javax.naming.directory.DirContext; //导入方法依赖的package包/类
/**
* Allocate resources, including proxy. Return <code>true</code> if
* initialization was successfull, or <code>false</code> otherwise.
*/
public boolean resourcesStart() {
boolean ok = true;
Hashtable<String, String> env = new Hashtable<String, String>();
if (getParent() != null)
env.put(ProxyDirContext.HOST, getParent().getName());
env.put(ProxyDirContext.CONTEXT, getName());
try {
ProxyDirContext proxyDirContext = new ProxyDirContext(env, webappResources);
if (webappResources instanceof FileDirContext) {
filesystemBased = true;
((FileDirContext) webappResources).setAllowLinking(isAllowLinking());
}
if (webappResources instanceof BaseDirContext) {
((BaseDirContext) webappResources).setDocBase(getBasePath());
((BaseDirContext) webappResources).setCached(isCachingAllowed());
((BaseDirContext) webappResources).setCacheTTL(getCacheTTL());
((BaseDirContext) webappResources).setCacheMaxSize(getCacheMaxSize());
((BaseDirContext) webappResources).allocate();
// Alias support
((BaseDirContext) webappResources).setAliases(getAliases());
if (effectiveMajorVersion >= 3 && addWebinfClassesResources) {
try {
DirContext webInfCtx = (DirContext) webappResources.lookup("/WEB-INF/classes");
// Do the lookup to make sure it exists
webInfCtx.lookup("META-INF/resources");
((BaseDirContext) webappResources).addAltDirContext(webInfCtx);
} catch (NamingException e) {
// Doesn't exist - ignore and carry on
}
}
}
// Register the cache in JMX
if (isCachingAllowed() && proxyDirContext.getCache() != null) {
String contextName = getName();
if (!contextName.startsWith("/")) {
contextName = "/" + contextName;
}
ObjectName resourcesName = new ObjectName(
this.getDomain() + ":type=Cache,host=" + getHostname() + ",context=" + contextName);
Registry.getRegistry(null, null).registerComponent(proxyDirContext.getCache(), resourcesName, null);
}
this.resources = proxyDirContext;
} catch (Throwable t) {
ExceptionUtils.handleThrowable(t);
log.error(sm.getString("standardContext.resourcesStart"), t);
ok = false;
}
return (ok);
}
示例13: doLookupWithoutNNFE
import javax.naming.directory.DirContext; //导入方法依赖的package包/类
private Object doLookupWithoutNNFE(String name) throws NamingException {
if (!aliases.isEmpty()) {
AliasResult result = findAlias(name);
if (result.dirContext != null) {
return result.dirContext.lookup(result.aliasName);
}
}
// Next do a standard lookup
Object obj = doLookup(name);
if (obj != null) {
return obj;
}
// Class files may not be loaded from the alternate locations so don't
// waste cycles looking.
if (name.endsWith(".class")) {
return null;
}
// Check the alternate locations (Resource JARs)
String resourceName = "/META-INF/resources" + name;
for (DirContext altDirContext : altDirContexts) {
if (altDirContext instanceof BaseDirContext) {
obj = ((BaseDirContext) altDirContext).doLookupWithoutNNFE(resourceName);
} else {
try {
obj = altDirContext.lookup(resourceName);
} catch (NamingException ex) {
// ignore
}
}
if (obj != null) {
return obj;
}
}
// Return null instead
return null;
}