Example usage for org.apache.commons.collections OrderedMap containsKey

Introduction

In this page you can find the example usage for org.apache.commons.collections OrderedMap containsKey.

Prototype

boolean containsKey(Object key);

Source Link

Document

Returns true if this map contains a mapping for the specified key.

Usage

From source file:org.diffkit.diff.engine.DKStandardTableComparison.java

/**
 * @param lhs_/*from   w  w w .jav a 2  s.co  m*/
 *           row
 * @param rhs_
 *           row
 * @return OrderedMap ordered, as best as possible, according to
 *         _displayIndexes. keys are String; values are String
 */
@SuppressWarnings("unchecked")
public OrderedMap getRowDisplayValues(Object[] lhs_, Object[] rhs_) {

    OrderedMap lhDisplayValues = this.getRowDisplayValues(lhs_, DKSide.LEFT_INDEX);
    OrderedMap rhDisplayValues = this.getRowDisplayValues(rhs_, DKSide.RIGHT_INDEX);
    if (_log.isDebugEnabled()) {
        _log.debug("lhDisplayValues->{}", lhDisplayValues);
        _log.debug("rhDisplayValues->{}", rhDisplayValues);
    }
    MapIterator lhIterator = lhDisplayValues.orderedMapIterator();
    MapIterator rhIterator = rhDisplayValues.orderedMapIterator();
    OrderedMap result = new LinkedMap();
    while (true) {
        boolean lhHasNext = lhIterator.hasNext();
        boolean rhHasNext = rhIterator.hasNext();
        if ((!lhHasNext) && (!rhHasNext))
            break;
        String lhKey = (lhHasNext ? (String) lhIterator.next() : null);
        String rhKey = (rhHasNext ? (String) rhIterator.next() : null);
        if (lhKey == null) {
            result.put(rhKey, ":" + rhDisplayValues.get(rhKey));
        } else if (rhKey == null) {
            result.put(lhKey, lhDisplayValues.get(lhKey) + ":");
        } else if (lhKey.equals(rhKey)) {
            String lhValue = (String) lhDisplayValues.get(lhKey);
            String rhValue = (String) rhDisplayValues.get(rhKey);
            String displayValue = (lhValue.equals(rhValue) ? lhValue : (lhValue + ":" + rhValue));
            result.put(lhKey, displayValue);
        } else {
            if (!result.containsKey(lhKey))
                result.put(lhKey, (String) lhDisplayValues.get(lhKey) + ":");
            else {
                String rhValue = (String) result.get(lhKey);
                result.put(lhKey, (String) lhDisplayValues.get(lhKey) + rhValue);
            }
            if (!result.containsKey(rhKey))
                result.put(rhKey, ":" + (String) rhDisplayValues.get(rhKey));
            else {
                String lhValue = (String) result.get(rhKey);
                result.put(rhKey, lhValue + (String) rhDisplayValues.get(rhKey));
            }
        }
    }
    return result;
}

---