org.tango.client.database.FileTangoDB Maven / Gradle / Ivy
package org.tango.client.database;
import fr.esrf.Tango.DevFailed;
import org.apache.commons.lang3.ArrayUtils;
import org.tango.utils.DevFailedUtils;
import org.tango.utils.TangoUtil;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
/**
* Manage tango db properties within a file
*
* @author ABEILLE
*
*/
public final class FileTangoDB implements ITangoDB {
private static final String ERROR_PARSING_FILE_PROP = "error parsing file prop";
private final Map> deviceProperties = new HashMap>();
private final Map> classProperties = new HashMap>();
private final Map> attributeProperties = new HashMap>();
private final String[] devices;
private final String className;
FileTangoDB(final String[] devices, final String className) {
this.devices = Arrays.copyOf(devices, devices.length);
this.className = className;
}
FileTangoDB(final File propertiesFiles, final String[] devices, final String className) throws DevFailed {
this.devices = Arrays.copyOf(devices, devices.length);
this.className = className;
loadFileProperties(propertiesFiles);
}
@Override
public void exportDevice(final DeviceExportInfo info) throws DevFailed {
}
@Override
public String[] getInstanceNameList(final String dsExecName) throws DevFailed {
return new String[0];
}
@Override
public DeviceImportInfo importDevice(final String toBeImported) throws DevFailed {
return new DeviceImportInfo("", false, "", "", 0);
}
@Override
public void unexportServer(final String serverName) throws DevFailed {
}
@Override
public String[] getDeviceList(final String serverName, final String className) throws DevFailed {
String[] result = new String[0];
if (this.className.equalsIgnoreCase(className)) {
result = Arrays.copyOf(devices, devices.length);
}
return result;
}
@Override
public Map getDeviceProperties(final String name, final String... propertyNames) throws DevFailed {
final Map prop = deviceProperties.get(name);
final Map result;
if (prop == null) {
result = new HashMap();
} else if (propertyNames.length == 0) {
result = prop;
} else {
result = new HashMap();
for (final String propertyName : propertyNames) {
final String[] props = prop.get(propertyName);
if (props == null) {
result.put(propertyName, new String[0]);
} else {
result.put(propertyName, props);
}
}
}
return result;
}
@Override
public void setDeviceProperties(final String deviceName, final Map properties) throws DevFailed {
if (deviceProperties.containsKey(deviceName)) {
deviceProperties.get(deviceName).putAll(properties);
} else {
deviceProperties.put(deviceName, properties);
}
}
@Override
public Map getClassProperties(final String name, final String... propertyNames) throws DevFailed {
final Map prop = classProperties.get(name);
Map result = new HashMap();
if (prop == null) {
result = new HashMap();
} else if (propertyNames.length == 0) {
result = prop;
} else {
for (final String propertyName : propertyNames) {
final String[] props = prop.get(propertyName);
if (props == null) {
result.put(propertyName, new String[0]);
} else {
result.put(propertyName, props);
}
}
}
return result;
}
@Override
public void setClassProperties(final String name, final Map properties) throws DevFailed {
if (classProperties.containsKey(name)) {
classProperties.get(name).putAll(properties);
} else {
classProperties.put(name, properties);
}
}
@Override
public Map getAttributeProperties(final String deviceName, final String attributeName)
throws DevFailed {
Map map = attributeProperties.get(deviceName + "/" + attributeName);
if (map == null) {
map = new HashMap();
}
return map;
}
@Override
public void setAttributeProperties(final String deviceName, final String attributeName,
final Map properties) throws DevFailed {
final Map map = attributeProperties.get(deviceName + "/" + attributeName);
if (map == null) {
attributeProperties.put(deviceName + "/" + attributeName, properties);
} else {
map.putAll(properties);
}
}
private void loadFileProperties(final File propertiesFiles) throws DevFailed {
BufferedReader in = null;
try {
in = new BufferedReader(new FileReader(propertiesFiles));
System.out.println("loading file " + propertiesFiles);
String previousLine = "";
String propertyName = "";
String className = "";
String deviceName = "";
while (in.ready()) {
String line = in.readLine();
if (line == null) {
break;
}
line = line.trim();
// device properties # --- deviceName properties
if (line.startsWith("# ---")) {
deviceName = line.split("# ---")[1].trim().split("properties")[0].trim();
}
// else if (line.startsWith("#") || line.isEmpty()) {
// ignore: commment
// } else
if (!deviceName.isEmpty() && line.startsWith(deviceName)) {
// deviceName->propertyName:propertyValue
final String prop = line.split("->")[1].trim().split(",\\\\")[0];
propertyName = prop.substring(0, prop.indexOf(':'));
String propertyValue = prop.substring(prop.indexOf(':') + 1).trim();
// remove quotes of strings
if (propertyValue.startsWith("\"") && propertyValue.endsWith("\"")) {
propertyValue = propertyValue.substring(1, propertyValue.length() - 1);
}
if (deviceProperties.containsKey(deviceName)) {
final Map props = deviceProperties.get(deviceName);
if (props.containsKey(propertyName)) {
ArrayUtils.add(props.get(propertyName), propertyValue);
} else {
props.put(propertyName, new String[] { propertyValue });
}
} else {
final Map props = new HashMap();
props.put(propertyName, new String[] { propertyValue });
deviceProperties.put(deviceName, props);
}
previousLine = line;
} else if (line.startsWith("CLASS")) {
// CLASS/className->propertyName:propertyValue
final String[] split = line.split("->");
className = split[0].split("/")[1];
final String prop = split[1].trim().split(",\\\\")[0];
propertyName = prop.substring(0, prop.indexOf(':'));
String propertyValue = prop.substring(prop.indexOf(':') + 1).trim();
// remove quotes of strings
if (propertyValue.startsWith("\"") && propertyValue.endsWith("\"")) {
propertyValue = propertyValue.substring(1, propertyValue.length() - 1);
}
if (classProperties.containsKey(className)) {
final Map props = classProperties.get(className);
if (props.containsKey(propertyName)) {
ArrayUtils.add(props.get(propertyName), propertyValue);
} else {
props.put(propertyName, new String[] { propertyValue });
}
} else {
final Map props = new HashMap();
props.put(propertyName, new String[] { propertyValue });
classProperties.put(className, props);
}
previousLine = line;
} else if (!line.startsWith("#") && !line.isEmpty()) {
if (previousLine.endsWith(",\\") && (!deviceName.isEmpty() || !className.isEmpty())) {
// property is an array
// deviceName->propertyName: propertyName:propertyValue1,\
// propertyValue2
String propertyValue = line;
// remove trailing ,\
if (propertyValue.endsWith(",\\")) {
propertyValue = line.substring(0, line.length() - 2);
}
// remove quotes of strings
if (propertyValue.startsWith("\"") && propertyValue.endsWith("\"")) {
propertyValue = propertyValue.substring(1, propertyValue.length() - 1);
}
if (previousLine.startsWith(deviceName)) {
if (deviceProperties.containsKey(deviceName)) {
final Map props = deviceProperties.get(deviceName);
if (props.containsKey(propertyName)) {
final Object[] array = ArrayUtils.add(props.get(propertyName), propertyValue);
props.put(propertyName, (String[]) array);
} else {
DevFailedUtils.throwDevFailed(ERROR_PARSING_FILE_PROP);
}
} else {
DevFailedUtils.throwDevFailed(ERROR_PARSING_FILE_PROP);
}
} else if (previousLine.startsWith("CLASS")) {
if (classProperties.containsKey(className)) {
final Map props = classProperties.get(className);
if (props.containsKey(propertyName)) {
final Object[] array = ArrayUtils.add(props.get(propertyName), propertyValue);
props.put(propertyName, (String[]) array);
} else {
DevFailedUtils.throwDevFailed(ERROR_PARSING_FILE_PROP);
}
} else {
DevFailedUtils.throwDevFailed(ERROR_PARSING_FILE_PROP);
}
}
}
}
}
} catch (final IOException e) {
DevFailedUtils.throwDevFailed(e);
} finally {
if (in != null) {
try {
in.close();
} catch (final IOException e) {
// ignore
}
}
}
}
@Override
public void deleteDeviceProperty(final String deviceName, final String propertyName) throws DevFailed {
final Map props = deviceProperties.get(deviceName);
if (props != null) {
props.remove(propertyName);
}
}
@Override
public void loadCache(final String serverName, final String hostName) {
// NA
}
@Override
public void clearCache() {
// NA
}
@Override
public String getAccessDeviceName() throws DevFailed {
return "";
}
@Override
public void deleteAttributeProperties(final String deviceName, final String... attributeNames) throws DevFailed {
if (attributeNames == null || attributeNames.length == 0) {
for (final String attributeName : attributeProperties.keySet()) {
if (TangoUtil.getfullDeviceNameForAttribute(attributeName).equalsIgnoreCase(deviceName)) {
attributeProperties.remove(attributeName);
}
}
} else {
for (final String attributeName : attributeNames) {
if (attributeProperties.containsKey(deviceName + "/" + attributeName)) {
attributeProperties.remove(deviceName + "/" + attributeName);
}
}
}
}
/**
* The tango host without DB is empty
*/
@Override
public String[] getPossibleTangoHosts() {
return new String[] { "nodb" };
}
@Override
public String getFreeProperty(final String name, final String propertyName) {
return "";
}
@Override
public Map getDevicePipeProperties(final String deviceName, final String pipeName)
throws DevFailed {
// TODO Auto-generated method stub
return null;
}
@Override
public void setDevicePipeProperties(final String deviceName, final String pipeName,
final Map properties) throws DevFailed {
// TODO Auto-generated method stub
}
@Override
public Map getClassPipeProperties(final String className, final String pipeName) throws DevFailed {
// TODO Auto-generated method stub
return null;
}
@Override
public void setClassPipeProperties(final String className, final String pipeName,
final Map properties) throws DevFailed {
// TODO Auto-generated method stub
}
@Override
public void deleteDevicePipeProperties(final String deviceName, final String... pipeNames) throws DevFailed {
// TODO Auto-generated method stub
}
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy