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| package net.sourceforge.pmd.properties; |
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| import java.util.Map; |
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| import net.sourceforge.pmd.util.CollectionUtil; |
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| import net.sourceforge.pmd.util.StringUtil; |
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| public class EnumeratedProperty extends AbstractPMDProperty { |
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| private Object[][] choiceTuples; |
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| private Map choicesByLabel; |
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| private Map labelsByChoice; |
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| public EnumeratedProperty(String theName, String theDescription, Object[][] theChoices, float theUIOrder) {
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| this(theName, theDescription, theChoices, theUIOrder, 1);
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| } |
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| public EnumeratedProperty(String theName, String theDescription, Object[][] theChoices, float theUIOrder, int maxValues) {
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| super(theName, theDescription, theChoices[0][1], theUIOrder);
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| choiceTuples = theChoices;
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| choicesByLabel = CollectionUtil.mapFrom(theChoices);
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| labelsByChoice = CollectionUtil.invertedMapFrom(choicesByLabel);
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| maxValueCount(maxValues);
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| } |
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| public Class type() {
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| return Object.class;
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| } |
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| public Object[][] choices() {
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| return choiceTuples;
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| } |
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| private String nonLegalValueMsgFor(Object value) {
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| return "" + value + " is not a legal value";
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| } |
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| public String errorFor(Object value) {
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| if (maxValueCount() == 1) {
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| return labelsByChoice.containsKey(value) ?
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| null : nonLegalValueMsgFor(value); |
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| } |
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| Object[] values = (Object[])value;
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| for (int i=0; i<values.length; i++) {
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| if (labelsByChoice.containsKey(values[i])) continue;
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| return nonLegalValueMsgFor(values[i]);
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| } |
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| return null;
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| } |
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| private Object choiceFrom(String label) {
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| Object result = choicesByLabel.get(label);
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| if (result != null) return result;
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| throw new IllegalArgumentException(label);
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| } |
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| public Object valueFrom(String value) throws IllegalArgumentException {
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| if (maxValueCount() == 1) return choiceFrom(value);
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| String[] strValues = StringUtil.substringsOf(value, multiValueDelimiter);
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| Object[] values = new Object[strValues.length];
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| for (int i=0;i<values.length; i++) values[i] = choiceFrom(strValues[i]);
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| return values;
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| } |
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| public String asDelimitedString(Object value) {
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| if (maxValueCount() == 1) return (String)labelsByChoice.get(value);
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| Object[] choices = (Object[])value;
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| StringBuffer sb = new StringBuffer();
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| sb.append(labelsByChoice.get(choices[0]));
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| for (int i=1; i<choices.length; i++) {
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| sb.append(multiValueDelimiter);
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| sb.append(labelsByChoice.get(choices[i]));
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| } |
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| return sb.toString();
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| } |
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| } |