cdc.perfs.core.io.PerfsIo Maven / Gradle / Ivy
package cdc.perfs.core.io;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import cdc.io.compress.Compressor;
import cdc.perfs.api.MeasureLevel;
import cdc.perfs.api.RuntimeProbe;
import cdc.perfs.api.Source;
import cdc.perfs.core.Environment;
import cdc.perfs.core.runtime.RuntimeEnvironment;
import cdc.perfs.core.snapshot.SnapshotEnvironment;
import cdc.util.events.ProgressController;
import cdc.util.lang.Checks;
import cdc.util.lang.FailureReaction;
public final class PerfsIo {
private static final Source SOURCE = RuntimeEnvironment.getInstance().getSource(PerfsIo.class);
public static final String DOT = ".";
private static final String DAT = IoExtension.DAT.getLabel();
private static final String DAT_GZ = IoExtension.DAT_GZ.getLabel();
private static final String XML = IoExtension.XML.getLabel();
private static final String XML_GZ = IoExtension.XML_GZ.getLabel();
private static final String COMPACT_XML = IoExtension.COMPACT_XML.getLabel();
private static final String COMPACT_XML_GZ = IoExtension.COMPACT_XML_GZ.getLabel();
private static final String CSV = IoExtension.CSV.getLabel();
private static final String XLSX = IoExtension.XLSX.getLabel();
private static final String ODS = IoExtension.ODS.getLabel();
public enum XmlLoading {
/** First XML reading format. */
DATA,
/** Second (fastest) XML reading format. */
STAX
}
public static XmlLoading xmlLoading = XmlLoading.STAX;
private PerfsIo() {
}
private static IOException unexpectedExtension(Object o) {
return new IOException("Unexpected extension '" + o + "'");
}
private static String loadObject(Object o) {
return "load(" + o + ")";
}
public static SnapshotEnvironment load(InputStream in,
String systemId,
ProgressController controller) throws IOException {
final RuntimeProbe probe = RuntimeEnvironment.getInstance().createProbe(SOURCE, MeasureLevel.INFO);
probe.start(loadObject(systemId));
try {
Checks.isNotNull(in, "in");
Checks.isNotNull(systemId, "systemId");
if (systemId.endsWith(DOT + DAT)) {
return PerfsBin.Reader.load(in, systemId, Compressor.NONE);
} else if (systemId.endsWith(DOT + DAT_GZ)) {
return PerfsBin.Reader.load(in, systemId, Compressor.GZIP);
} else if (systemId.endsWith(DOT + XML) || systemId.endsWith(DOT + COMPACT_XML)) {
if (xmlLoading == XmlLoading.DATA) {
final PerfsXml.DataLoader loader = new PerfsXml.DataLoader(FailureReaction.WARN);
loader.setProgressController(controller);
return loader.loadXml(in,
systemId);
} else {
final PerfsXml.StAXLoader loader = new PerfsXml.StAXLoader(FailureReaction.WARN);
return loader.load(in, systemId);
}
} else if (systemId.endsWith(DOT + XML_GZ) || systemId.endsWith(DOT + COMPACT_XML_GZ)) {
if (xmlLoading == XmlLoading.DATA) {
final PerfsXml.DataLoader loader = new PerfsXml.DataLoader(FailureReaction.WARN);
loader.setProgressController(controller);
return loader.loadXml(in,
systemId,
Compressor.GZIP);
} else {
final PerfsXml.StAXLoader loader = new PerfsXml.StAXLoader(FailureReaction.WARN);
return loader.load(in, systemId, Compressor.GZIP);
}
} else {
throw unexpectedExtension(systemId);
}
} finally {
probe.stop();
}
}
public static SnapshotEnvironment load(File file) throws IOException {
final RuntimeProbe probe = RuntimeEnvironment.getInstance().createProbe(SOURCE, MeasureLevel.INFO);
probe.start(loadObject(file));
try {
Checks.isNotNull(file, "file");
if (file.getPath().endsWith(DOT + DAT)) {
return PerfsBin.Reader.load(file.getPath(), Compressor.NONE);
} else if (file.getPath().endsWith(DOT + DAT_GZ)) {
return PerfsBin.Reader.load(file.getPath(), Compressor.GZIP);
} else if (file.getPath().endsWith(DOT + XML) || file.getPath().endsWith(DOT + COMPACT_XML)) {
if (xmlLoading == XmlLoading.DATA) {
final PerfsXml.DataLoader loader = new PerfsXml.DataLoader(FailureReaction.WARN);
return loader.loadXml(file.getPath());
} else {
final PerfsXml.StAXLoader loader = new PerfsXml.StAXLoader(FailureReaction.WARN);
return loader.load(file);
}
} else if (file.getPath().endsWith(DOT + XML_GZ) || file.getPath().endsWith(DOT + COMPACT_XML_GZ)) {
if (xmlLoading == XmlLoading.DATA) {
final PerfsXml.DataLoader loader = new PerfsXml.DataLoader(FailureReaction.WARN);
return loader.loadXml(file.getPath(),
Compressor.GZIP);
} else {
final PerfsXml.StAXLoader loader = new PerfsXml.StAXLoader(FailureReaction.WARN);
return loader.load(file, Compressor.GZIP);
}
} else {
throw unexpectedExtension(file);
}
} finally {
probe.stop();
}
}
public static SnapshotEnvironment load(URL url) throws IOException {
final RuntimeProbe probe = RuntimeEnvironment.getInstance().createProbe(SOURCE, MeasureLevel.INFO);
probe.start(loadObject(url));
try {
Checks.isNotNull(url, "url");
if (url.getPath().endsWith(DOT + DAT)) {
return PerfsBin.Reader.load(url, Compressor.NONE);
} else if (url.getPath().endsWith(DOT + DAT_GZ)) {
return PerfsBin.Reader.load(url, Compressor.GZIP);
} else if (url.getPath().endsWith(DOT + XML) || url.getPath().endsWith(DOT + COMPACT_XML)) {
if (xmlLoading == XmlLoading.DATA) {
final PerfsXml.DataLoader loader = new PerfsXml.DataLoader(FailureReaction.WARN);
return loader.loadXml(url);
} else {
final PerfsXml.StAXLoader loader = new PerfsXml.StAXLoader(FailureReaction.WARN);
return loader.load(url);
}
} else if (url.getPath().endsWith(DOT + XML_GZ) || url.getPath().endsWith(DOT + COMPACT_XML_GZ)) {
if (xmlLoading == XmlLoading.DATA) {
final PerfsXml.DataLoader loader = new PerfsXml.DataLoader(FailureReaction.WARN);
return loader.loadXml(url, Compressor.GZIP);
} else {
final PerfsXml.StAXLoader loader = new PerfsXml.StAXLoader(FailureReaction.WARN);
return loader.load(url, Compressor.GZIP);
}
} else {
throw unexpectedExtension(url);
}
} finally {
probe.stop();
}
}
/**
* Saves an environment to a file, auto-detecting format from extension.
*
* @param environment The environment.
* @param filename The file name.
* @param controller The progress controller.
* @throws IOException When an IO error occurs.
*/
public static void save(Environment environment,
String filename,
ProgressController controller) throws IOException {
final RuntimeProbe probe = RuntimeEnvironment.getInstance().createProbe(SOURCE, MeasureLevel.INFO);
probe.start("save(" + filename + ")");
try {
if (filename.endsWith(DAT)) {
PerfsBin.Writer.save(environment, filename, Compressor.NONE, controller);
} else if (filename.endsWith(DAT_GZ)) {
PerfsBin.Writer.save(environment, filename, Compressor.GZIP, controller);
} else if (filename.endsWith(COMPACT_XML)) {
// Check this before XML
final PerfsXml.Printer printer = new PerfsXml.Printer(PerfsXml.Format.COMPACT);
printer.save(environment, filename, Compressor.NONE, controller);
} else if (filename.endsWith(XML)) {
final PerfsXml.Printer printer = new PerfsXml.Printer();
printer.save(environment, filename, Compressor.NONE, controller);
} else if (filename.endsWith(COMPACT_XML_GZ)) {
// Check this before XML_GZ
final PerfsXml.Printer printer = new PerfsXml.Printer(PerfsXml.Format.COMPACT);
printer.save(environment, filename, Compressor.GZIP, controller);
} else if (filename.endsWith(XML_GZ)) {
final PerfsXml.Printer printer = new PerfsXml.Printer();
printer.save(environment, filename, Compressor.GZIP, controller);
} else if (filename.endsWith(CSV) || filename.endsWith(XLSX) || filename.endsWith(ODS)) {
final PerfsWorkbook.Printer printer = new PerfsWorkbook.Printer();
printer.save(environment, filename, controller);
} else {
throw unexpectedExtension(filename);
}
} finally {
probe.stop();
}
}
/**
* Saves an environment to a file, auto-detecting format from extension.
*
* @param environment The environment.
* @param file The file.
* @param controller The progress controller.
* @throws IOException When an IO error occurs.
*/
public static void save(Environment environment,
File file,
ProgressController controller) throws IOException {
save(environment, file.getPath(), controller);
}
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