Example usage for javax.naming Name size

Introduction

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

Prototype

public int size();

Source Link

Document

Returns the number of components in this name.

Usage

From source file:Util.java

/**
 * Bind val to name in ctx, and make sure that all intermediate contexts exist
 * /*  w w w.  jav  a 2s.  c om*/
 * @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 ww  . j a  va  2  s.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 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 link//from w ww.jav  a 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

/**
 * Create a subcontext including any intermediate contexts.
 * //from ww  w  .jav  a  2 s .  c o  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:Util.java

/**
 * Unbinds a name from ctx, and removes parents if they are empty
 * //from w  ww .  j  a  v a 2 s  . c  o m
 * @param ctx
 *          the parent JNDI Context under which the name will be unbound
 * @param name
 *          The name to unbind
 * @throws NamingException
 *           for any error
 */
public static void unbind(Context ctx, Name name) throws NamingException {
    ctx.unbind(name); // unbind the end node in the name
    int sz = name.size();
    // walk the tree backwards, stopping at the domain
    while (--sz > 0) {
        Name pname = name.getPrefix(sz);
        try {
            ctx.destroySubcontext(pname);
        } catch (NamingException e) {
            System.out.println("Unable to remove context " + pname + e);
            break;
        }
    }
}

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From source file:NonSerializableFactory.java

/** A convenience method that simplifies the process of rebinding a
 non-serializable object into a JNDI context.
        /*from   w w  w  . ja  va2 s .  c om*/
@param ctx the JNDI context to rebind to.
@param key the key to use in both the NonSerializableFactory map and JNDI. It
must be a valid name for use in ctx.bind().
@param target the non-Serializable object to bind.
@param createSubcontexts a flag indicating if subcontexts of name should
 be created if they do not already exist.
@throws NamingException thrown on failure to rebind key into ctx.
*/
public static synchronized void rebind(Context ctx, String key, Object target, boolean createSubcontexts)
        throws NamingException {
    Name name = ctx.getNameParser("").parse(key);
    if (createSubcontexts == true && name.size() > 1) {
        int size = name.size() - 1;
        Util.createSubcontext(ctx, name.getPrefix(size));
    }
    rebind(ctx, key, target);
}

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From source file:NonSerializableFactory.java

/** 
 * A convenience method that simplifies the process of rebinding a 
 * non-serializable object into a JNDI context. This version binds the
 * target object into the default IntitialContext using name path.
 * //  w  ww .jav a  2 s.  c o  m
 * @param name the name to use as JNDI path name. The key into the 
 *   NonSerializableFactory map is obtained from the toString() value of name. 
 *   The name parameter cannot be a 0 length name.
 * @param target the non-Serializable object to bind.
 * @param createSubcontexts a flag indicating if subcontexts of name should 
 *   be created if they do not already exist.
 * @throws NamingException thrown on failure to rebind key into ctx.
 * @author Matt Carter
 **/
public static synchronized void rebind(Name name, Object target, boolean createSubcontexts)
        throws NamingException {
    String key = name.toString();
    InitialContext ctx = new InitialContext();
    if (createSubcontexts == true && name.size() > 1) {
        int size = name.size() - 1;
        Util.createSubcontext(ctx, name.getPrefix(size));
    }
    rebind(ctx, key, target);
}

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From source file:com.dattack.naming.AbstractContext.java

@Override
public void destroySubcontext(final Name name) throws NamingException {

    if (name.size() > 1) {
        if (subContexts.containsKey(name.getPrefix(1))) {
            final Context subContext = subContexts.get(name.getPrefix(1));
            subContext.destroySubcontext(name.getSuffix(1));
            return;
        }//from w  w w  .  j a v a 2  s. co m
        throw new NameNotFoundException();
    }

    if (objectTable.containsKey(name) || !subContexts.containsKey(name)) {
        throw new NameNotFoundException(String.format("Context not found: %s", name));
    }

    final Context subContext = subContexts.get(name);
    final NamingEnumeration<NameClassPair> names = subContext.list("");
    if (names.hasMore()) {
        throw new ContextNotEmptyException();
    }

    subContexts.get(name).close();
    subContexts.remove(name);
}

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From source file:com.dattack.naming.AbstractContext.java

@Override
public NameParser getNameParser(final Name name) throws NamingException {

    if (name == null || name.isEmpty() || (name.size() == 1 && name.toString().equals(getNameInNamespace()))) {
        return nameParser;
    }/*from w ww  .  ja  va 2  s . co m*/

    final Name subName = name.getPrefix(1);
    if (subContexts.containsKey(subName)) {
        return subContexts.get(subName).getNameParser(name.getSuffix(1));
    }

    throw new NotContextException();
}

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From source file:com.dattack.naming.AbstractContext.java

private Context getParentContext(final Name name) throws NamingException {

    final Object context = lookup(name.getPrefix(name.size() - 1));
    if (context instanceof Context) {
        return (Context) context;
    }/*  w ww  . j a v  a2s  . c  om*/
    throw new NamingException(String.format("Cannot unbind object. Target context does not exist (%s)",
            name.getPrefix(name.size() - 1)));
}

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