information-system-model/src/main/java/org/gcube/informationsystem/utils/TypeVersion.java

140 lines
3.1 KiB
Java

package org.gcube.informationsystem.utils;
import java.util.regex.Pattern;
import org.gcube.com.fasterxml.jackson.annotation.JsonIgnore;
import org.gcube.informationsystem.types.impl.properties.PropertyDefinitionImpl;
public class TypeVersion implements Comparable<TypeVersion> {
public final static String TYPE_VERSION_REGEX = PropertyDefinitionImpl.TYPE_VERSION_REGEX;
public final static Pattern TYPE_VERSION_PATTERN;
public static final String MINIMAL_VERSION_STRING = "1.0.0";
public static final TypeVersion MINIMAL_VERSION;
static {
TYPE_VERSION_PATTERN = Pattern.compile(TYPE_VERSION_REGEX);
MINIMAL_VERSION = new TypeVersion(MINIMAL_VERSION_STRING);
}
@JsonIgnore
protected int major;
@JsonIgnore
protected int minor;
@JsonIgnore
protected int revision;
protected TypeVersion(){}
public TypeVersion(String version) {
setVersion(version);
}
public TypeVersion(int major, int minor, int revision) {
this.major = major;
this.minor = minor;
this.revision = revision;
check();
}
public void setVersion(String version) {
if(!TYPE_VERSION_PATTERN.matcher(version).matches()) {
throw new RuntimeException("The provided version (i.e. " + version + ") MUST respect the regex " + TYPE_VERSION_REGEX);
}
String[] parts = version.split("\\.");
this.major = Integer.valueOf(parts[0]);
this.minor = Integer.valueOf(parts[1]);
this.revision = Integer.valueOf(parts[2]);
check();
}
/*
* The REGEX does not allow a 0.X.X Version.
* Anyway I added this check in case we decide to change the minimal version and the
* regex.
*/
protected void check() {
if(this.compareTo(MINIMAL_VERSION)<0) {
throw new RuntimeException("Minimal Allowed version is " + MINIMAL_VERSION_STRING);
}
}
public int getMajor() {
return major;
}
protected void setMajor(int major) {
this.major = major;
}
public int getMinor() {
return minor;
}
protected void setMinor(int minor) {
this.minor = minor;
}
public int getRevision() {
return revision;
}
protected void setRevision(int revision) {
this.revision = revision;
}
@Override
public String toString() {
return major + "." + minor + "." + revision;
}
@Override
public int compareTo(TypeVersion other) {
if(other == null) {
return 1;
}
int compare = Integer.compare(major, other.major);
if(compare!=0) {
return compare;
}
compare = Integer.compare(minor, other.minor);
if(compare!=0) {
return compare;
}
compare = Integer.compare(revision, other.revision);
return compare;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + major;
result = prime * result + minor;
result = prime * result + revision;
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
TypeVersion other = (TypeVersion) obj;
if (major != other.major)
return false;
if (minor != other.minor)
return false;
if (revision != other.revision)
return false;
return true;
}
}