/
EE.java
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/
EE.java
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package aQute.bnd.build.model;
import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
import java.util.Collections;
import java.util.EnumSet;
import java.util.Optional;
import java.util.OptionalInt;
import aQute.bnd.exceptions.Exceptions;
import aQute.bnd.header.Parameters;
import aQute.bnd.osgi.Analyzer;
import aQute.bnd.version.Version;
import aQute.lib.utf8properties.UTF8Properties;
public enum EE {
OSGI_Minimum_1_0("OSGi/Minimum-1.0", "OSGi/Minimum", "1.0"),
OSGI_Minimum_1_1("OSGi/Minimum-1.1", "OSGi/Minimum", "1.1", OSGI_Minimum_1_0),
OSGI_Minimum_1_2("OSGi/Minimum-1.2", "OSGi/Minimum", "1.2", OSGI_Minimum_1_1),
JRE_1_1("JRE-1.1", "JRE", "1.1"),
J2SE_1_2("J2SE-1.2", "JavaSE", "1.2", JRE_1_1),
J2SE_1_3("J2SE-1.3", "JavaSE", "1.3", J2SE_1_2, OSGI_Minimum_1_1),
J2SE_1_4("J2SE-1.4", "JavaSE", "1.4", J2SE_1_3, OSGI_Minimum_1_2),
J2SE_1_5("J2SE-1.5", "JavaSE", "1.5", J2SE_1_4),
JavaSE_1_6("JavaSE-1.6", "JavaSE", "1.6", J2SE_1_5),
JavaSE_1_7("JavaSE-1.7", "JavaSE", "1.7", JavaSE_1_6),
JavaSE_compact1_1_8("JavaSE/compact1-1.8", "JavaSE/compact1", "1.8", OSGI_Minimum_1_2),
JavaSE_compact2_1_8("JavaSE/compact2-1.8", "JavaSE/compact2", "1.8", JavaSE_compact1_1_8),
JavaSE_compact3_1_8("JavaSE/compact3-1.8", "JavaSE/compact3", "1.8", JavaSE_compact2_1_8),
JavaSE_1_8("JavaSE-1.8", "JavaSE", "1.8", JavaSE_1_7, JavaSE_compact3_1_8),
JavaSE_9,
JavaSE_10,
JavaSE_11,
JavaSE_12,
JavaSE_13,
JavaSE_14,
JavaSE_15,
JavaSE_16,
JavaSE_17,
JavaSE_18,
JavaSE_19,
JavaSE_20,
JavaSE_21,
JavaSE_22,
JavaSE_23,
JavaSE_24,
UNKNOWN("<UNKNOWN>", "UNKNOWN", "0");
private final String eeName;
private final String capabilityName;
private final String versionLabel;
private final Version capabilityVersion;
private final EE[] compatible;
private transient EnumSet<EE> compatibleSet;
private transient Parameters packages = null;
private transient Parameters modules = null;
/**
* For use by JavaSE_9 and later.
*/
EE() {
int version = ordinal() - 5;
this.versionLabel = Integer.toString(version);
this.eeName = "JavaSE-" + versionLabel;
this.capabilityName = "JavaSE";
this.capabilityVersion = new Version(version);
this.compatible = null;
}
EE(String eeName, String capabilityName, String versionLabel, EE... compatible) {
this.eeName = eeName;
this.capabilityName = capabilityName;
this.versionLabel = versionLabel;
this.capabilityVersion = new Version(versionLabel);
this.compatible = compatible;
}
public String getEEName() {
return eeName;
}
/**
* @return An array of EEs that this EE implicitly offers, through backwards
* compatibility.
*/
public EE[] getCompatible() {
EnumSet<EE> set = getCompatibleSet();
return set.toArray(new EE[0]);
}
private static final EE[] values = values();
private Optional<EE> previous() {
int ordinal = ordinal() - 1;
if (ordinal >= 0) {
return Optional.of(values[ordinal]);
}
return Optional.empty();
}
private EnumSet<EE> getCompatibleSet() {
if (compatibleSet != null) {
return compatibleSet;
}
EnumSet<EE> set = EnumSet.noneOf(getDeclaringClass());
if (compatible != null) {
for (EE ee : compatible) {
set.add(ee);
set.addAll(ee.getCompatibleSet());
}
} else {
Optional<EE> previous = previous();
previous.ifPresent(ee -> {
set.add(ee);
set.addAll(ee.getCompatibleSet());
});
}
return compatibleSet = set;
}
public String getCapabilityName() {
return capabilityName;
}
public String getVersionLabel() {
return versionLabel;
}
public Version getCapabilityVersion() {
return capabilityVersion;
}
/**
* @return the java release target corresponding to this EE
*/
public OptionalInt getReleaseTarget() {
Version version = getCapabilityVersion();
int major = version.getMajor();
if (major > 8) {
return OptionalInt.of(major);
}
if (major == 1 && version.getMinor() > 5) {
return OptionalInt.of(version.getMinor());
}
return OptionalInt.empty();
}
public static Optional<EE> highestFromTargetVersion(String targetVersion) {
Version version = Optional.of(targetVersion)
.map(Analyzer::cleanupVersion)
.map(Version::new)
.map(v -> {
int major = v.getMajor();
int minor = v.getMinor();
// maps 8 to 1.8
if ((major > 1) && (major < 9)) {
minor = major;
major = 1;
}
// drop the MICRO version since EEs don't have them
return new Version(major, minor, 0);
})
// practically unreachable since NPE and invalid syntax are caught
// earlier
.orElseThrow(() -> new IllegalArgumentException(
"Argument could not be recognized as a version string: " + targetVersion));
return Arrays.stream(values)
.filter(ee -> ee.capabilityVersion.compareTo(version) == 0)
.sorted(Collections.reverseOrder())
.findFirst();
}
public static EE parse(String str) {
for (EE ee : values) {
if (ee.eeName.equals(str))
return ee;
}
return null;
}
/**
* Return the list of packages
*
* @throws IOException (Unchecked via {@link Exceptions})
*/
@SuppressWarnings("javadoc")
public Parameters getPackages() {
if (packages == null) {
init();
}
return packages;
}
/**
* Return the list of modules
*
* @throws IOException (Unchecked via {@link Exceptions})
*/
@SuppressWarnings("javadoc")
public Parameters getModules() {
if (modules == null) {
init();
}
return modules;
}
private void init() {
try (InputStream stream = EE.class.getResourceAsStream(name() + ".properties")) {
if (stream == null) {
Optional<EE> previous = previous();
packages = previous.map(EE::getPackages)
.orElseGet(Parameters::new);
modules = previous.map(EE::getModules)
.orElseGet(Parameters::new);
return;
}
UTF8Properties props = new UTF8Properties();
props.load(stream);
String packagesProp = props.getProperty("org.osgi.framework.system.packages");
packages = new Parameters(packagesProp);
String modulesProp = props.getProperty("jpms.modules");
modules = new Parameters(modulesProp);
} catch (IOException ioe) {
throw Exceptions.duck(ioe);
}
}
}