Example usage for javax.naming Name get

Introduction

In this page you can find the example usage for javax.naming Name get.

Prototype

public String get(int posn);

Source Link

Document

Retrieves a component of this name.

Usage

From source file:Util.java

/**
 * Create a link/*  w w  w .  j  a  va  2 s  . c  om*/
 * 
 * @param ctx
 *          the context
 * @param fromName
 *          the from name
 * @param toName
 *          the to name
 * @throws NamingException
 *           for any error
 */
public static void createLinkRef(Context ctx, String fromName, String toName) throws NamingException {
    LinkRef link = new LinkRef(toName);
    Context fromCtx = ctx;
    Name name = ctx.getNameParser("").parse(fromName);
    String atom = name.get(name.size() - 1);
    for (int n = 0; n < name.size() - 1; n++) {
        String comp = name.get(n);
        try {
            fromCtx = (Context) fromCtx.lookup(comp);
        } catch (NameNotFoundException e) {
            fromCtx = fromCtx.createSubcontext(comp);
        }
    }

    System.out.println("atom: " + atom);
    System.out.println("link: " + link);

    fromCtx.rebind(atom, link);

    System.out.println("Bound link " + fromName + " to " + toName);
}

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From source file:Util.java

/**
 * Bind val to name in ctx, and make sure that all intermediate contexts exist
 * /*  ww w.ja v a  2s . c o  m*/
 * @param ctx
 *          the parent JNDI Context under which value will be bound
 * @param name
 *          the name relative to ctx where value will be bound
 * @param value
 *          the value to bind.
 * @throws NamingException
 *           for any error
 */
public static void bind(Context ctx, Name name, Object value) throws NamingException {
    int size = name.size();
    String atom = name.get(size - 1);
    Context parentCtx = createSubcontext(ctx, name.getPrefix(size - 1));
    parentCtx.bind(atom, value);
}

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From source file:Util.java

/**
 * Rebind val to name in ctx, and make sure that all intermediate contexts
 * exist/*from   w  w  w  .  ja  v  a 2 s  .com*/
 * 
 * @param ctx
 *          the parent JNDI Context under which value will be bound
 * @param name
 *          the name relative to ctx where value will be bound
 * @param value
 *          the value to bind.
 * @throws NamingException
 *           for any error
 */
public static void rebind(Context ctx, Name name, Object value) throws NamingException {
    int size = name.size();
    String atom = name.get(size - 1);
    Context parentCtx = createSubcontext(ctx, name.getPrefix(size - 1));
    parentCtx.rebind(atom, value);
}

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From source file:Util.java

/**
 * Create a subcontext including any intermediate contexts.
 * /*from w w  w  .j  a  v a 2s  .  co m*/
 * @param ctx
 *          the parent JNDI Context under which value will be bound
 * @param name
 *          the name relative to ctx of the subcontext.
 * @return The new or existing JNDI subcontext
 * @throws NamingException
 *           on any JNDI failure
 */
public static Context createSubcontext(Context ctx, Name name) throws NamingException {
    Context subctx = ctx;
    for (int pos = 0; pos < name.size(); pos++) {
        String ctxName = name.get(pos);
        try {
            subctx = (Context) ctx.lookup(ctxName);
        } catch (NameNotFoundException e) {
            subctx = ctx.createSubcontext(ctxName);
        }
        // The current subctx will be the ctx for the next name component
        ctx = subctx;
    }
    return subctx;
}

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From source file:jdao.JDAO.java

public static Context unbind(Context ctx, String nameStr) throws NamingException {
    log("unbinding " + nameStr);

    Name name = ctx.getNameParser("").parse(nameStr);

    //no name, nothing to do
    if (name.size() == 0)
        return null;

    Context subCtx = ctx;//from w w w.ja va 2 s.com

    for (int i = 0; i < name.size() - 1; i++) {
        try {
            subCtx = (Context) subCtx.lookup(name.get(i));
        } catch (NameNotFoundException e) {
            log("Subcontext " + name.get(i) + " undefined", e);
            return null;
        }
    }

    subCtx.unbind(name.get(name.size() - 1));
    log("unbound object " + nameStr);
    return subCtx;
}

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From source file:jdao.JDAO.java

public static Context bind(Context ctx, String nameStr, Object obj) throws NamingException {
    log("binding " + nameStr);

    Name name = ctx.getNameParser("").parse(nameStr);

    //no name, nothing to do
    if (name.size() == 0)
        return null;

    Context subCtx = ctx;//from  w  w w .j a va 2s  . co  m

    //last component of the name will be the name to bind
    for (int i = 0; i < name.size() - 1; i++) {
        try {
            subCtx = (Context) subCtx.lookup(name.get(i));
            log("Subcontext " + name.get(i) + " already exists");
        } catch (NameNotFoundException e) {
            subCtx = subCtx.createSubcontext(name.get(i));
            log("Subcontext " + name.get(i) + " created");
        }
    }

    subCtx.rebind(name.get(name.size() - 1), obj);
    log("Bound object to " + name.get(name.size() - 1));
    return subCtx;
}

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From source file:org.apache.naming.modules.fs.FileDirContext.java

/**
 * Retrieves the named object. The result is a File relative to the docBase
 * or a FileDirContext for directories./*from w  ww .j a va2 s.c o  m*/
 * 
 * @param name the name of the object to look up
 * @return the object bound to name
 * @exception NamingException if a naming exception is encountered
 */
public Object lookup(Name nameObj, boolean resolveLinkx) throws NamingException {
    if (log.isDebugEnabled())
        log.debug("lookup " + nameObj);

    System.out.println("XXX " + nameObj.get(0));
    if ("fs:".equals(nameObj.get(0).toString()))
        nameObj = nameObj.getSuffix(1);

    String name = nameObj.toString(); // we need to convert anyway, for File constructor

    Object result = null;
    File file = file(name);

    if (file == null)
        throw new NamingException(sm.getString("resources.notFound", name));

    if (file.isDirectory()) {
        FileDirContext tempContext = new FileDirContext(env);
        tempContext.setDocBase(file.getPath());
        result = tempContext;
    } else {
        // TODO: based on the name, return various 'styles' of
        // content
        // TODO: use lazy streams, cacheable
        result = file; //new FileResource(file);
    }

    return result;
}

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From source file:org.apache.naming.modules.fs.FileDirContext.java

/**
 * Unbinds the named object. Removes the terminal atomic name in name 
 * from the target context--that named by all but the terminal atomic 
 * part of name./* w w  w.j a v  a  2  s.  com*/
 * <p>
 * This method is idempotent. It succeeds even if the terminal atomic 
 * name is not bound in the target context, but throws 
 * NameNotFoundException if any of the intermediate contexts do not exist. 
 * 
 * @param name the name to bind; may not be empty
 * @exception NameNotFoundException if an intermediate context does not 
 * exist
 * @exception NamingException if a naming exception is encountered
 */
public void unbind(Name nameObj) throws NamingException {
    if ("fs:".equals(nameObj.get(0).toString()))
        nameObj = nameObj.getSuffix(1);
    String name = nameObj.toString();
    if (log.isDebugEnabled())
        log.debug("unbind " + name);
    File file = file(name);

    if (file == null)
        throw new NamingException(sm.getString("resources.notFound", name));

    if (!file.delete())
        throw new NamingException(sm.getString("resources.unbindFailed", name));

}

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From source file:org.apache.naming.NamingContext.java

/**
 * Unbinds the named object. Removes the terminal atomic name in name 
 * from the target context--that named by all but the terminal atomic 
 * part of name.//from w w  w. j a  v a 2  s  .com
 * <p>
 * This method is idempotent. It succeeds even if the terminal atomic 
 * name is not bound in the target context, but throws 
 * NameNotFoundException if any of the intermediate contexts do not exist. 
 * 
 * @param name the name to bind; may not be empty
 * @exception NameNotFoundException if an intermediate context does not 
 * exist
 * @exception NamingException if a naming exception is encountered
 */
public void unbind(Name name) throws NamingException {
    checkWritable();

    while ((!name.isEmpty()) && (name.get(0).length() == 0))
        name = name.getSuffix(1);
    if (name.isEmpty())
        throw new NamingException(sm.getString("namingContext.invalidName"));

    NamingEntry entry = (NamingEntry) bindings.get(name.get(0));

    if (entry == null) {
        throw new NameNotFoundException(sm.getString("namingContext.nameNotBound", name.get(0)));
    }

    if (name.size() > 1) {
        if (entry.type == NamingEntry.CONTEXT) {
            ((Context) entry.value).unbind(name.getSuffix(1));
        } else {
            throw new NamingException(sm.getString("namingContext.contextExpected"));
        }
    } else {
        bindings.remove(name.get(0));
    }

}

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From source file:org.apache.naming.NamingContext.java

/**
 * Enumerates the names bound in the named context, along with the class 
 * names of objects bound to them. The contents of any subcontexts are 
 * not included.//from   w  ww.ja va2  s.c o m
 * <p>
 * If a binding is added to or removed from this context, its effect on 
 * an enumeration previously returned is undefined.
 * 
 * @param name the name of the context to list
 * @return an enumeration of the names and class names of the bindings in 
 * this context. Each element of the enumeration is of type NameClassPair.
 * @exception NamingException if a naming exception is encountered
 */
public NamingEnumeration list(Name name) throws NamingException {
    // Removing empty parts
    while ((!name.isEmpty()) && (name.get(0).length() == 0))
        name = name.getSuffix(1);
    if (name.isEmpty()) {
        return new NamingContextEnumeration(bindings.elements());
    }

    NamingEntry entry = (NamingEntry) bindings.get(name.get(0));

    if (entry == null) {
        throw new NameNotFoundException(sm.getString("namingContext.nameNotBound", name.get(0)));
    }

    if (entry.type != NamingEntry.CONTEXT) {
        throw new NamingException(sm.getString("namingContext.contextExpected"));
    }
    return ((Context) entry.value).list(name.getSuffix(1));
}

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