Merge pull request #79 from opencb/TASK-4641

TASK-4641Add VersionUtils

Author: jtarraga

commons-lib/src/main/java/org/opencb/commons/utils/VersionUtils.java

@@ -0,0 +1,131 @@
+package org.opencb.commons.utils;
+
+import org.apache.commons.lang3.StringUtils;
+
+import java.util.Comparator;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class VersionUtils {
+
+    public static List<String> order(List<String> versions) {
+        return versions.stream().map(Version::new).sorted().map(Version::toString).collect(Collectors.toList());
+    }
+
+    public static boolean isMinVersion(String minVersion, String version) {
+        return isMinVersion(minVersion, version, false);
+    }
+
+    public static boolean isMinVersion(String minVersion, String version, boolean ignorePreReleaseVersioning) {
+        return new Version(minVersion).compareTo(new Version(version), ignorePreReleaseVersioning) <= 0;
+    }
+
+    public static class Version implements Comparable<Version> {
+
+        private final int major;
+        private final int minor;
+        private final int patch;
+        private final int repatch;
+        private final String other;
+
+        public static final Comparator<Version> COMPARATOR = Comparator
+                .comparingInt(Version::getMajor)
+                .thenComparingInt(Version::getMinor)
+                .thenComparingInt(Version::getPatch)
+                .thenComparingInt(Version::getRepatch)
+                .thenComparing((o1, o2) -> {
+                    if (o1.other.equals(o2.other)) {
+                        return 0;
+                    }
+                    if (o1.other.isEmpty()) {
+                        return +1;
+                    }
+                    if (o2.other.isEmpty()) {
+                        return -1;
+                    }
+                    if (o1.other.equals("-SNAPSHOT")) {
+                        return -1;
+                    }
+                    if (o2.other.equals("-SNAPSHOT")) {
+                        return +1;
+                    }
+                    return o1.other.compareTo(o2.other);
+                });
+
+        public static final Comparator<Version> COMPARATOR_NO_PR = Comparator
+                .comparingInt(Version::getMajor)
+                .thenComparingInt(Version::getMinor)
+                .thenComparingInt(Version::getPatch)
+                .thenComparingInt(Version::getRepatch);
+
+        public Version(String version) {
+            String[] split = StringUtils.split(version, ".", 4);
+            if (split[0].startsWith("v")) {
+                major = Integer.parseInt(split[0].substring(1));
+            } else {
+                major = Integer.parseInt(split[0]);
+            }
+            minor = Integer.parseInt(split[1]);
+            if (split.length == 4) {
+                patch = Integer.parseInt(split[2]);
+                String last = split[3];
+                String[] split2 = StringUtils.split(last, "-+", 3);
+                repatch = Integer.parseInt(split2[0]);
+                other = last.substring(split2[0].length());
+            } else if (split.length == 3) {
+                String last = split[2];
+                String[] split2 = StringUtils.split(last, "-+", 2);
+                patch = Integer.parseInt(split2[0]);
+                repatch = 0;
+                other = last.substring(split2[0].length());
+            } else {
+                patch = 0;
+                repatch = 0;
+                other = "";
+            }
+        }
+
+        @Override
+        public String toString() {
+            if (repatch > 0) {
+                return major + "." + minor + "." + patch + "." + repatch + other;
+            } else {
+                return major + "." + minor + "." + patch + other;
+            }
+        }
+
+        @Override
+        public int compareTo(Version o) {
+            return COMPARATOR.compare(this, o);
+        }
+
+        public int compareTo(Version o, boolean ignorePreReleaseVersioning) {
+            if (ignorePreReleaseVersioning) {
+                return COMPARATOR_NO_PR.compare(this, o);
+            } else {
+                return COMPARATOR.compare(this, o);
+            }
+        }
+
+        public int getMajor() {
+            return major;
+        }
+
+        public int getMinor() {
+            return minor;
+        }
+
+        public int getPatch() {
+            return patch;
+        }
+
+        public int getRepatch() {
+            return repatch;
+        }
+
+        public String getOther() {
+            return other;
+        }
+    }
+
+}

commons-lib/src/test/java/org/opencb/commons/utils/VersionUtilsTest.java

@@ -0,0 +1,40 @@
+package org.opencb.commons.utils;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class VersionUtilsTest {
+    public static String getComparation(String minVersion, String version) {
+        int c = new VersionUtils.Version(minVersion).compareTo(new VersionUtils.Version(version));
+        String comp;
+        if (c == 0) {
+            comp = "=";
+        } else if (c < 0) {
+            comp = "<";
+        } else {
+            comp = ">";
+        }
+        System.out.println(minVersion + "\t" + comp + "\t" + version);
+        return comp;
+    }
+
+    @Test
+    public void testOrder() {
+        Assert.assertEquals("<", getComparation("5.2.7", "5.2.8"));
+        Assert.assertEquals("=", getComparation("5.2.7", "5.2.7"));
+        Assert.assertEquals(">", getComparation("5.2.7.1", "5.2.7.1-alpha"));
+        Assert.assertEquals(">", getComparation("5.2.7", "5.2.7-SNAPSHOT"));
+        Assert.assertEquals("<", getComparation("5.2.7-alpha", "5.2.7"));
+        Assert.assertEquals("<", getComparation("5.2.7-alpha", "5.2.7-beta"));
+        Assert.assertEquals(">", getComparation("5.2.7", "5.2.6"));
+        Assert.assertEquals("=", getComparation("5.2.7", "5.2.7.0"));
+    }
+
+    @Test
+    public void testOrderShortVersions() {
+        Assert.assertEquals("<", getComparation("v5.2", "v5.3"));
+        Assert.assertEquals("=", getComparation("v5.2", "v5.2"));
+        Assert.assertEquals(">", getComparation("v5.2", "v5.1"));
+        Assert.assertEquals(">", getComparation("v5.6", "v5.2"));
+    }
+}