Example usage for java.util Enumeration Enumeration

Introduction

In this page you can find the example usage for java.util Enumeration Enumeration.

Prototype

Enumeration

Source Link

Usage

From source file:hermes.store.jdbc.MessageResultSetHandler.java

public MessageResultSetHandler(Connection connection, PreparedStatement statement,
        MessageFactory messageFactory, MessageStore.HeaderPolicy headerPolicy) throws SQLException {
    this.connection = connection;
    this.messageFactory = messageFactory;
    this.headerPolicy = headerPolicy;
    this.statement = statement;
    this.resultSet = statement.executeQuery();

    enumeration = new Enumeration() {

        public Object nextElement() {
            return getNextMessageQuietly();
        }/*from  w  w w  .  j  a  va 2  s  . c o m*/

        public boolean hasMoreElements() {
            return hasNextMessage();
        }

    };
}

From source file:MinAppletviewer.java

public Enumeration getApplets() {
    return new Enumeration() {
        public boolean hasMoreElements() {
            return false;
        }//from  w ww  .  jav  a  2s . com

        public Object nextElement() {
            return null;
        }
    };
}

From source file:org.impalaframework.extension.mvc.util.RequestModelHelperTest.java

public void testImplicitParams() throws Exception {
    HttpServletRequest request = createMock(HttpServletRequest.class);
    expect(request.getParameterNames()).andReturn(new Enumeration<String>() {

        private String[] list = { "one", "two" };
        int index;

        public boolean hasMoreElements() {
            return (index < list.length);
        }/*from  w ww  .j av  a  2  s .c  o  m*/

        public String nextElement() {
            final String string = list[index];
            index++;
            return string;
        }

    });

    expect(request.getParameter("one")).andReturn("v1");
    expect(request.getParameter("two")).andReturn("v2");

    replay(request);
    final ModelMap modelMap = new ModelMap();
    RequestModelHelper.setParameters(request, modelMap);
    assertEquals(2, modelMap.size());
    verify(request);
}

From source file:com.oltpbenchmark.util.TestCollectionUtil.java

/**
 * testIterableEnumeration/*ww w  .  j av a2  s  .co m*/
 */
public void testIterableEnumeration() {
    final int size = 10;
    Enumeration<Integer> e = new Enumeration<Integer>() {
        int ctr = 0;

        @Override
        public Integer nextElement() {
            return (ctr++);
        }

        @Override
        public boolean hasMoreElements() {
            return (ctr < size);
        }
    };

    List<Integer> found = new ArrayList<Integer>();
    for (Integer i : CollectionUtil.iterable(e))
        found.add(i);
    assertEquals(size, found.size());
}

From source file:ArrayMap.java

@Override
public Enumeration<Object> elements() {
    return new Enumeration<Object>() {
        int i;/* ww  w.j  a  va2  s . c  om*/
        {
            i = 0;
            findNext();
        }

        void findNext() {
            while (i < data.length && data[i] == null) {
                i++;
            }
        }

        public boolean hasMoreElements() {
            return i < data.length;
        }

        public Object nextElement() {
            Object o = data[i++];
            findNext();
            return o;
        }
    };
}

From source file:net.sourceforge.vulcan.web.ParameterParsingHttpServletRequestWrapperTest.java

protected Enumeration<String> toEnumeration(final String... items) {
    final int[] i = new int[1];

    return new Enumeration<String>() {
        @Override/*from   www .j  a v  a  2 s. c  o  m*/
        public boolean hasMoreElements() {
            return items != null && i[0] < items.length;
        }

        @Override
        public String nextElement() {
            return items[i[0]++];
        }
    };
}

From source file:net.ymate.platform.webmvc.support.MultipartRequestWrapper.java

public Enumeration<String> getParameterNames() {
    return new Enumeration<String>() {
        private Iterator<String> it = getParameterMap().keySet().iterator();

        public boolean hasMoreElements() {
            return it.hasNext();
        }//w ww.  ja  v  a  2 s. co  m

        public String nextElement() {
            return it.next();
        }
    };
}

From source file:org.apache.xml.security.utils.ClassLoaderUtils.java

/**
 * Load a given resources. <p/> This method will try to load the resources
 * using the following methods (in order):
 * <ul>//from   w  w  w .  j  a va2 s. co m
 * <li>From Thread.currentThread().getContextClassLoader()
 * <li>From ClassLoaderUtil.class.getClassLoader()
 * <li>callingClass.getClassLoader()
 * </ul>
 * 
 * @param resourceName The name of the resource to load
 * @param callingClass The Class object of the calling object
 */
public static List<URL> getResources(String resourceName, Class<?> callingClass) {
    List<URL> ret = new ArrayList<URL>();
    Enumeration<URL> urls = new Enumeration<URL>() {
        public boolean hasMoreElements() {
            return false;
        }

        public URL nextElement() {
            return null;
        }

    };
    try {
        urls = Thread.currentThread().getContextClassLoader().getResources(resourceName);
    } catch (IOException e) {
        if (log.isDebugEnabled()) {
            log.debug(e);
        }
        //ignore
    }
    if (!urls.hasMoreElements() && resourceName.startsWith("/")) {
        //certain classloaders need it without the leading /
        try {
            urls = Thread.currentThread().getContextClassLoader().getResources(resourceName.substring(1));
        } catch (IOException e) {
            if (log.isDebugEnabled()) {
                log.debug(e);
            }
            // ignore
        }
    }

    ClassLoader cluClassloader = ClassLoaderUtils.class.getClassLoader();
    if (cluClassloader == null) {
        cluClassloader = ClassLoader.getSystemClassLoader();
    }
    if (!urls.hasMoreElements()) {
        try {
            urls = cluClassloader.getResources(resourceName);
        } catch (IOException e) {
            if (log.isDebugEnabled()) {
                log.debug(e);
            }
            // ignore
        }
    }
    if (!urls.hasMoreElements() && resourceName.startsWith("/")) {
        //certain classloaders need it without the leading /
        try {
            urls = cluClassloader.getResources(resourceName.substring(1));
        } catch (IOException e) {
            if (log.isDebugEnabled()) {
                log.debug(e);
            }
            // ignore
        }
    }

    if (!urls.hasMoreElements()) {
        ClassLoader cl = callingClass.getClassLoader();

        if (cl != null) {
            try {
                urls = cl.getResources(resourceName);
            } catch (IOException e) {
                if (log.isDebugEnabled()) {
                    log.debug(e);
                }
                // ignore
            }
        }
    }

    if (!urls.hasMoreElements()) {
        URL url = callingClass.getResource(resourceName);
        if (url != null) {
            ret.add(url);
        }
    }
    while (urls.hasMoreElements()) {
        ret.add(urls.nextElement());
    }

    if (ret.isEmpty() && (resourceName != null) && (resourceName.charAt(0) != '/')) {
        return getResources('/' + resourceName, callingClass);
    }
    return ret;
}

From source file:de.codesourcery.eve.skills.ui.model.DefaultTreeNode.java

@Override
public Enumeration<ITreeNode> children() {
    final Iterator<ITreeNode> it = children.iterator();
    return new Enumeration<ITreeNode>() {

        @Override//from  w w w. ja v a 2 s. co m
        public boolean hasMoreElements() {
            return it.hasNext();
        }

        @Override
        public ITreeNode nextElement() {
            return it.next();
        }
    };
}

From source file:org.eclipse.tracecompass.internal.tmf.ui.project.wizards.importtrace.TarFile.java

/**
 * Returns an enumeration cataloguing the tar archive.
 *
 * @return enumeration of all files in the archive
 *///from w  ww .  java2  s.  c  o  m
public Enumeration<TarArchiveEntry> entries() {
    return new Enumeration<TarArchiveEntry>() {
        @Override
        public boolean hasMoreElements() {
            return (curEntry != null);
        }

        @Override
        public TarArchiveEntry nextElement() {
            TarArchiveEntry oldEntry = curEntry;
            try {
                curEntry = (TarArchiveEntry) entryEnumerationStream.getNextEntry();
            } catch (IOException e) {
                curEntry = null;
            }
            return oldEntry;
        }
    };
}