Example usage for org.apache.commons.lang3 EnumUtils getEnumMap

Introduction

In this page you can find the example usage for org.apache.commons.lang3 EnumUtils getEnumMap.

Prototype

public static <E extends Enum<E>> Map<String, E> getEnumMap(final Class<E> enumClass) 

Source Link

Document

Gets the Map of enums by name.

This method is useful when you need a map of enums by name.

Usage

From source file:net.sourceforge.pmd.lang.java.ast.ASTSwitchStatement.java

/**
 * Returns true if this switch statement tests an expression
 * having an enum type and all the constants of this type
 * are covered by a switch case. Returns false if the type of
 * the tested expression could not be resolved.
 *//*  w w w.  j a  v a2  s . com*/
public boolean isExhaustiveEnumSwitch() {
    ASTExpression expression = getTestedExpression();

    if (expression.getType() == null) {
        return false;
    }

    if (Enum.class.isAssignableFrom(expression.getType())) {

        @SuppressWarnings("unchecked")
        Set<String> constantNames = EnumUtils.getEnumMap((Class<? extends Enum>) expression.getType()).keySet();

        for (ASTSwitchLabel label : this) {
            // since this is an enum switch, the labels are necessarily
            // the simple name of some enum constant.

            constantNames.remove(label.getFirstDescendantOfType(ASTName.class).getImage());

        }

        return constantNames.isEmpty();
    }

    return false;
}

---

From source file:org.apache.nutch.mapreduce.NutchCounter.java

public <T extends Enum<T>> void register(Class<T> counterClass) {
    register(EnumUtils.getEnumMap(counterClass).keySet());
}

---

From source file:org.apache.nutch.mapreduce.NutchCounter.java

protected void register(Collection<String> counters) {
    if (countersCount.get() != 0) {
        LOG.warn("already registered");
        return;/*from w ww .  j  a v  a2s. c  o m*/
    }

    ArrayList<String> newCounters = Lists.newArrayList();
    newCounters.addAll(counters);
    newCounters.addAll(EnumUtils.getEnumMap(Counter.class).keySet());

    registerCounters(newCounters);
}

---

From source file:org.xlrnet.tibaija.memory.DefaultCalculatorMemory.java

/**
 * Takes an Enum class and creates a new map with each enum value as key and the given default value as the value.
 *
 * @param numberVariableClass//from  w  w w .java 2  s  .  c  om
 *         An enum class that is suppossed to become the key of maps.
 * @param defaultValue
 *         The default value for all entries.
 * @param <T>
 *         A class extending Enum.
 * @return A new map with each enum value as key and the given default value as the value.
 */
@NotNull
private <T extends Enum<T>> Map<T, Value> newEnumValueMapWithDefault(@NotNull Class<T> numberVariableClass,
        @NotNull final Value defaultValue) {
    Map<T, Value> valueMap = new HashMap<>();
    EnumUtils.getEnumMap(numberVariableClass)
            .forEach((name, enumObject) -> valueMap.put(enumObject, defaultValue));
    return valueMap;
}

---