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Diffstat (limited to 'framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/Quantifier.java')
-rw-r--r-- | framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/Quantifier.java | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/Quantifier.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/Quantifier.java deleted file mode 100644 index ac1b84ce..00000000 --- a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/Quantifier.java +++ /dev/null @@ -1,146 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - */ -package org.apache.tools.ant.types; - -import org.apache.tools.ant.BuildException; - -/** - * EnumeratedAttribute for quantifier comparisons. Evaluates a - * <code>boolean[]</code> or raw <code>true</code> and <code>false</code> - * counts. Accepts the following values:<ul> - * <li>"all"</li> - none <code>false</code> - * <li>"each"</li> - none <code>false</code> - * <li>"every"</li> - none <code>false</code> - * <li>"any"</li> - at least one <code>true</code> - * <li>"some"</li> - at least one <code>true</code> - * <li>"one"</li> - exactly one <code>true</code> - * <li>"majority"</li> - more <code>true</code> than <code>false</code> - * <li>"most"</li> - more <code>true</code> than <code>false</code> - * <li>"none"</li> - none <code>true</code> - * </ul> - * @since Ant 1.7 - */ -public class Quantifier extends EnumeratedAttribute { - private static final String[] VALUES - = new String[] {"all", "each", "every", "any", "some", "one", - "majority", "most", "none"}; - - /** ALL instance */ - public static final Quantifier ALL = new Quantifier("all"); - /** ANY instance */ - public static final Quantifier ANY = new Quantifier("any"); - /** ONE instance */ - public static final Quantifier ONE = new Quantifier("one"); - /** MAJORITY instance */ - public static final Quantifier MAJORITY = new Quantifier("majority"); - /** NONE instance */ - public static final Quantifier NONE = new Quantifier("none"); - - private abstract static class Predicate { - abstract boolean eval(int t, int f); - } - - private static final Predicate ALL_PRED = new Predicate() { - boolean eval(int t, int f) { return f == 0; } - }; - - private static final Predicate ANY_PRED = new Predicate() { - boolean eval(int t, int f) { return t > 0; } - }; - - private static final Predicate ONE_PRED = new Predicate() { - boolean eval(int t, int f) { return t == 1; } - }; - - private static final Predicate MAJORITY_PRED = new Predicate() { - boolean eval(int t, int f) { return t > f; } - }; - - private static final Predicate NONE_PRED = new Predicate() { - boolean eval(int t, int f) { return t == 0; } - }; - - private static final Predicate[] PREDS = new Predicate[VALUES.length]; - - static { - // CheckStyle:MagicNumber OFF - PREDS[0] = ALL_PRED; - PREDS[1] = ALL_PRED; - PREDS[2] = ALL_PRED; - PREDS[3] = ANY_PRED; - PREDS[4] = ANY_PRED; - PREDS[5] = ONE_PRED; - PREDS[6] = MAJORITY_PRED; - PREDS[7] = MAJORITY_PRED; - PREDS[8] = NONE_PRED; - // CheckStyle:MagicNumber ON - } - - /** - * Default constructor. - */ - public Quantifier() { - } - - /** - * Construct a new Quantifier with the specified value. - * @param value the EnumeratedAttribute value. - */ - public Quantifier(String value) { - setValue(value); - } - - /** - * Return the possible values. - * @return String[] of EnumeratedAttribute values. - */ - public String[] getValues() { - return VALUES; - } - - /** - * Evaluate a <code>boolean<code> array. - * @param b the <code>boolean[]</code> to evaluate. - * @return true if the argument fell within the parameters of this Quantifier. - */ - public boolean evaluate(boolean[] b) { - int t = 0; - for (int i = 0; i < b.length; i++) { - if (b[i]) { - t++; - } - } - return evaluate(t, b.length - t); - } - - /** - * Evaluate integer <code>true</code> vs. <code>false</code> counts. - * @param t the number of <code>true</code> values. - * @param f the number of <code>false</code> values. - * @return true if the arguments fell within the parameters of this Quantifier. - */ - public boolean evaluate(int t, int f) { - int index = getIndex(); - if (index == -1) { - throw new BuildException("Quantifier value not set."); - } - return PREDS[index].eval(t, f); - } - -} - |