src.samples.java.ex.MUI_Sample Maven / Gradle / Ivy

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An auxiliary findbugs.sourceforge.net plugin for java bug detectors that fall outside the narrow scope of detectors to be packaged with the product itself.

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package ex;

import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class MUI_Sample {

    Map fieldMap = new HashMap<>();

    public String testGetAfterContainsKeyLocal() {
        Map localMap = new HashMap<>();

        if (localMap.containsKey("Foo")) {
            String v = localMap.get("Foo");
            return v + "Bar";
        } else {
            return "Bar";
        }
    }

    public String testGetAfterContainsKeyWithReg() {
        Map localMap = new HashMap<>();
        Date d = new Date();

        if (localMap.containsKey(d)) {
            String v = localMap.get(d);
            return v + "Bar";
        } else {
            return "Bar";
        }
    }

    public String testGetAfterContainsKeyField() {

        if (fieldMap.containsKey("Foo")) {
            String v = fieldMap.get("Foo");
            return v + "Bar";
        } else {
            return "Bar";
        }
    }

    public String testGetAfterContainsKeyFromMethodCall() {

        if (fieldMap.containsKey(getAValue())) {
            String v = fieldMap.get(getAValue());
            return v + "Bar";
        } else {
            return "Bar";
        }
    }

    public String testRemoveAfterGetLocal(Map ss) {
        String s = ss.get("foo");
        ss.remove("foo");
        return s;
    }

    public String testRemoveAfterGetField() {
        String s = fieldMap.get("foo");
        fieldMap.remove("foo");
        return s;
    }

    public boolean testKeySetForNull(Map s) {
        return s.keySet() != null;
    }

    public void testUseContainsKey(Map m) {
        if (m.keySet().contains("Foo")) {
            System.out.println("Yup");
        }
    }

    public List testKeySetSize(Map m) {
        return new ArrayList<>(m.keySet().size());
    }

    public List testEntrySetSize(Map m) {
        return new ArrayList<>(m.entrySet().size());
    }

    public List testValuesSize(Map m) {
        return new ArrayList<>(m.values().size());
    }

    public String getAValue() {
        return MUI_Sample.class.getName();
    }

}