Example usage for java.lang NoSuchFieldException NoSuchFieldException

Introduction

In this page you can find the example usage for java.lang NoSuchFieldException NoSuchFieldException.

Prototype

public NoSuchFieldException(String s) 

Source Link

Document

Constructor with a detail message.

Usage

From source file:org.apache.hawq.pxf.plugins.hdfs.utilities.RecordkeyAdapter.java

/**
 * Adds the recordkey to the end of the passed in recFields list.
 * <p>/*from  w ww .ja va  2  s . co  m*/
 * This method also verifies cases in which record keys are not supported by
 * the underlying source type, and therefore "illegally" requested.
 *
 * @param recFields existing list of record (non-key) fields and their
 *            values.
 * @param input all input parameters coming from the client request
 * @param onerow a row object which is used here in order to find out if the
 *            given type supports recordkeys or not.
 * @return 0 if record key not needed, or 1 if record key was appended
 * @throws NoSuchFieldException when the given record type does not support
 *             recordkeys
 */
public int appendRecordkeyField(List<OneField> recFields, InputData input, OneRow onerow)
        throws NoSuchFieldException {

    /*
     * user did not request the recordkey field in the
     * "create external table" statement
     */
    ColumnDescriptor recordkeyColumn = input.getRecordkeyColumn();
    if (recordkeyColumn == null) {
        return 0;
    }

    /*
     * The recordkey was filled in the fileAccessor during execution of
     * method readNextObject. The current accessor implementations are
     * SequenceFileAccessor, LineBreakAccessor and AvroFileAccessor from
     * HdfsSplittableDataAccessor and QuotedLineBreakAccessor from
     * HdfsAtomicDataAccessor. For SequenceFileAccessor, LineBreakAccessor
     * the recordkey is set, since it is returned by the
     * SequenceFileRecordReader or LineRecordReader(for text file). But Avro
     * files do not have keys, so the AvroRecordReader will not return a key
     * and in this case recordkey will be null. If the user specified a
     * recordkey attribute in the CREATE EXTERNAL TABLE statement and he
     * reads from an AvroFile, we will throw an exception since the Avro
     * file does not have keys In the future, additional implementations of
     * FileAccessors will have to set recordkey during readNextObject().
     * Otherwise it is null by default and we will throw an exception here,
     * that is if we get here... a careful user will not specify recordkey
     * in the CREATE EXTERNAL statement and then we will leave this function
     * one line above.
     */
    Object recordkey = onerow.getKey();
    if (recordkey == null) {
        throw new NoSuchFieldException("Value for field \"recordkey\" was requested but the "
                + "queried HDFS resource type does not support key");
    }

    OneField oneField = new OneField();
    oneField.type = recordkeyColumn.columnTypeCode();
    oneField.val = extractVal(recordkey);
    recFields.add(oneField);
    return 1;
}

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From source file:com.manydesigns.portofino.reflection.TableAccessor.java

public PropertyAccessor getProperty(String propertyName) throws NoSuchFieldException {
    for (ColumnAccessor current : columnAccessors) {
        if (current.getName().equals(propertyName)) {
            return current;
        }/*w  ww  .j ava2  s . co m*/
    }

    throw new NoSuchFieldException(propertyName);
}

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From source file:com.manydesigns.portofino.pageactions.crud.reflection.CrudAccessor.java

public CrudPropertyAccessor getProperty(String propertyName) throws NoSuchFieldException {
    for (CrudPropertyAccessor current : propertyAccessors) {
        //XXX Alessio verificare
        if (current.getName().equalsIgnoreCase(propertyName)) {
            return current;
        }/*from  w  w w.  jav  a2s.c  o m*/
    }

    throw new NoSuchFieldException(propertyName + " (of use case " + getName() + ")");
}

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From source file:com.feilong.commons.core.lang.EnumUtil.java

/**
 * fieldName value <br>//from   w  ww .j  a  va 2s  .  c om
 * 
 * <pre>
 * 
 * ?{@link HttpMethodType} ,?:
 * 
 * {@code
 *    EnumUtil.getEnumByField(HttpMethodType.class, "method", "get")
 * }
 * </pre>
 *
 * @param <E>
 *            the element type
 * @param <T>
 *            the generic type
 * @param enumClass
 *            the enum class  {@link HttpMethodType}
 * @param propertyName
 *            ??, {@link HttpMethodType}method,javabean 
 * @param value
 *             post
 * @param ignoreCase
 *            ??
 * @return  enum constant
 * @throws IllegalArgumentException
 *             if Validator.isNullOrEmpty(enumClass) or Validator.isNullOrEmpty(propertyName)
 * @throws NoSuchFieldException
 *             ??
 * @throws BeanUtilException
 *             the bean util exception
 * @see com.feilong.commons.core.bean.BeanUtil#getProperty(Object, String)
 * @since 1.0.8
 */
private static <E extends Enum<?>, T> E getEnumByPropertyValue(Class<E> enumClass, String propertyName, T value,
        boolean ignoreCase) throws IllegalArgumentException, NoSuchFieldException, BeanUtilException {

    if (Validator.isNullOrEmpty(enumClass)) {
        throw new IllegalArgumentException("enumClass is null or empty!");
    }

    if (Validator.isNullOrEmpty(propertyName)) {
        throw new IllegalArgumentException("the fieldName is null or empty!");
    }

    // An enum is a kind of class
    // and an annotation is a kind of interface
    //  Class ? null.
    E[] enumConstants = enumClass.getEnumConstants();

    for (E e : enumConstants) {
        if (log.isDebugEnabled()) {
            log.debug("e:{}", JsonUtil.format(e));
        }

        Object propertyValue = PropertyUtil.getProperty(e, propertyName);

        if (null == propertyValue && null == value) {
            return e;
        }
        if (null != propertyValue && null != value) {
            if (ignoreCase && propertyValue.toString().equalsIgnoreCase(value.toString())) {
                return e;
            } else if (propertyValue.equals(value)) {
                return e;
            }
        }
    }

    throw new NoSuchFieldException("can not found the enum constants,enumClass:[" + enumClass
            + "],propertyName:[" + propertyName + "],value:[" + value + "],ignoreCase:[" + ignoreCase + "]");
}

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From source file:com.ett.common.util.ReflectUtil.java

/**
 * @param clazz/*from  w w w  . ja v a 2s.c o m*/
 * @param propertyName
 * @return
 * @throws NoSuchFieldException
 */
public static Field getDeclaredField(Class clazz, String propertyName) throws NoSuchFieldException {
    Assert.notNull(clazz);
    Assert.hasText(propertyName);
    for (Class superClass = clazz; superClass != Object.class; superClass = superClass.getSuperclass()) {
        try {
            return superClass.getDeclaredField(propertyName);
        } catch (NoSuchFieldException e) {
            // Field??17,?
        }
    }
    throw new NoSuchFieldException("No such field: " + clazz.getName() + '.' + propertyName);
}

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From source file:com.austin.base.commons.util.ReflectUtil.java

/**
 * @param clazz//from   www.  java2  s  .  co  m
 * @param propertyName
 * @return
 * @throws NoSuchFieldException
 */
public static Field getDeclaredField(Class clazz, String propertyName) throws NoSuchFieldException {
    Assert.notNull(clazz);
    Assert.hasText(propertyName);
    for (Class superClass = clazz; superClass != Object.class; superClass = superClass.getSuperclass()) {
        try {
            return superClass.getDeclaredField(propertyName);
        } catch (NoSuchFieldException e) {
            // Field??17,?
        }
    }
    throw new NoSuchFieldException("No such field: " + clazz.getName() + '.' + propertyName);
}

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From source file:edu.utsa.sifter.som.MainSOM.java

void writeVectors(final SequenceFile.Writer file)
        throws IOException, CorruptIndexException, NoSuchFieldException {
    System.out.println("Creating document term vectors");
    final LongWritable id = new LongWritable();
    final IntArrayWritable vec = new IntArrayWritable(TermIndices.size());
    final HashSet<String> idFields = new HashSet();
    idFields.add("ID");

    int max = Reader.maxDoc();
    int noTVs = 0;

    TermsEnum term = null;/*from www.j  ava 2s. com*/
    // iterate docs
    for (int i = 0; i < max; ++i) {
        vec.clear();
        final Document doc = Reader.document(i, idFields);
        final IndexableField idField = doc.getField("ID");
        if (idField == null) {
            throw new NoSuchFieldException("document " + i + " does not have an ID field");
        }
        id.set(Long.parseLong(idField.stringValue()));

        // get term vector for body field
        final Terms terms = Reader.getTermVector(i, "body");
        if (terms != null) {
            // count terms in doc
            int numTerms = 0;
            term = terms.iterator(term);
            int j = 0;
            while (term.next() != null) {
                // System.out.println("doc " + i + " had term '" + term.term().utf8ToString() + "'");
                // System.out.println("doc freq: " + term.docFreq());
                // System.out.println("ord: " + term.ord());
                // System.out.println("totalTermFreq: " + term.totalTermFreq());
                Integer index = TermIndices.get(term.term().utf8ToString());
                if (index != null) {
                    vec.add(index);
                    ++numTerms;
                }
            }
            if (numTerms > 0) {
                // System.out.println("doc " + i + " had " + numTerms + " terms");
                MaxDocTerms = Math.max(MaxDocTerms, numTerms);
                SumDocTerms += numTerms;
            }
        } else {
            ++noTVs;
            // System.err.println("doc " + i + " had no term vector for body");
        }
        if (vec.getLength() == 0) {
            ++NumOutliers;
        }
        file.append(id, vec);
        ++NumDocsWritten;
    }
    System.out.println(noTVs + " docs had no term vectors");
}

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From source file:com.manydesigns.elements.reflection.JavaClassAccessor.java

public PropertyAccessor getProperty(String propertyName) throws NoSuchFieldException {
    for (PropertyAccessor current : propertyAccessors) {
        if (current.getName().equals(propertyName)) {
            return current;
        }//  ww  w.  j  a v a2  s  .  co  m
    }
    throw new NoSuchFieldException(propertyName);
}

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From source file:com.ms.commons.test.common.ReflectUtil.java

public static Field getDeclaredField(Class<?> clazz, String field)
        throws SecurityException, NoSuchFieldException {
    if (clazz == Object.class) {
        throw new NoSuchFieldException(
                "Field `" + field + "` in class `" + clazz.getName() + "` cannot be found.");
    }//from   ww w . j a  v a2s.co m
    try {
        return clazz.getDeclaredField(field);
    } catch (SecurityException e) {
        throw e;
    } catch (NoSuchFieldException e) {
        return getDeclaredField(clazz.getSuperclass(), field);
    }
}

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From source file:net.kamhon.ieagle.util.ReflectionUtil.java

/**
 * different with class.getDeclaredField(does not include the field in super class). this one include the field in
 * super class also./*from   w  w w . j  a va 2s .c o  m*/
 * 
 * @return
 * @throws NoSuchFieldException
 */
public static Field getDeclaredField(Class<?> clazz, String fieldName) throws NoSuchFieldException {

    Field field = null;
    while (clazz != null && field == null) {
        try {
            field = clazz.getDeclaredField(fieldName);
        } catch (Exception e) {
        }
        clazz = clazz.getSuperclass();
    }
    if (clazz == null && field == null)
        throw new NoSuchFieldException(clazz + ". Field name=" + fieldName);
    return field;
}

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