新生代数字媒体技术羿魔方数据可视化系统_源代码_java.docx

package org.jfree.base.config;
import java.util.Enumeration;
import java.util.Iterator;
import org.jfree.util.Configuration;
public abstract interface ModifiableConfiguration extends Configuration
{
public abstract void setConfigProperty(String paramString1, String paramString2);
public abstract Enumeration getConfigProperties();
public abstract Iterator findPropertyKeys(String paramString);
}
package org.jfree.base.config;
import java.util.Enumeration;
import java.util.Properties;©
import java.util.Vector;
public class SystemPropertyConfiguration extends HierarchicalConfiguration
{
public void setConfigProperty(String key, String value)
{
throw new UnsupportedOperationException("The SystemPropertyConfiguration is readOnly");
}
public String getConfigProperty(String key, String defaultValue)
{
try
{
String value = System.getProperty(key);
if (value != null) {
return value;
}
}
catch (SecurityException se)
{
}
return super.getConfigProperty(key, defaultValue);
}
public boolean isLocallyDefined(String key)
{
try
{
return System.getProperties().containsKey(key);
} catch (SecurityException se) {
}
return false;
}
public Enumeration getConfigProperties()
{
try
{
return System.getProperties().keys();
}
catch (SecurityException se) {
}
return new Vector().elements();
}
}package org.jfree.base.config;
import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;
import org.jfree.util.Log;
import org.jfree.util.ObjectUtilities;
public class PropertyFileConfiguration extends HierarchicalConfiguration
{
public void load(String resourceName)
{
load(resourceName, PropertyFileConfiguration.class);
}
public void load(String resourceName, Class resourceSource)
{
InputStream in = ObjectUtilities.getResourceRelativeAsStream(resourceName, resourceSource);
if (in != null)
{
try
{
load(in);
}
finally
{
try
{
in.close();
}
catch (IOException e)
{
}
}
}
else
{
Log.debug("Configuration file not found in the classpath: " + resourceName);
}
}
public void load(InputStream in)
{
if (in == null)
{
throw new NullPointerException();
}
try
{
BufferedInputStream bin = new BufferedInputStream(in);
Properties p = new Properties();
p.load(bin);
getConfiguration().putAll(p);
bin.close();
}
catch (IOException ioe)
{
Log.warn("Unable to read configuration", ioe);
}
}
}package org.jfree.base.log;
import org.jfree.util.Log;
import org.jfree.util.LogTarget;
import org.jfree.util.PrintStreamLogTarget;
public class DefaultLog extends Log
{
private static final PrintStreamLogTarget DEFAULT_LOG_TARGET = new PrintStreamLogTarget();
private static final DefaultLog defaultLogInstance = new DefaultLog();
public void init()
{
removeTarget(DEFAULT_LOG_TARGET);
String logLevel = LogConfiguration.getLogLevel();
if (logLevel.equalsIgnoreCase("error")) {
setDebuglevel(0);
}
else if (logLevel.equalsIgnoreCase("warn")) {
setDebuglevel(1);
}
else if (logLevel.equalsIgnoreCase("info")) {
setDebuglevel(2);
}
else if (logLevel.equalsIgnoreCase("debug"))
setDebuglevel(3);
}
public synchronized void addTarget(LogTarget target)
{
super.addTarget(target);
if (target != DEFAULT_LOG_TARGET)
removeTarget(DEFAULT_LOG_TARGET);
}
public static DefaultLog getDefaultLog()
{
return defaultLogInstance;
}
public static void installDefaultLog()
{
Log.defineLog(defaultLogInstance);
}
static
{
defaultLogInstance.addTarget(DEFAULT_LOG_TARGET);
try
{
String property = System.getProperty("org.jfree.DebugDefault", "false");
if (Boolean.valueOf(property).booleanValue()) {
defaultLogInstance.setDebuglevel(3);
}
else
defaultLogInstance.setDebuglevel(1);
}
catch (SecurityException se)
{
defaultLogInstance.setDebuglevel(1);
}
}
}package org.jfree.base.log;
import org.jfree.base.modules.AbstractModule;
import org.jfree.base.modules.ModuleInitializeException;
import org.jfree.base.modules.SubSystem;
import org.jfree.util.Configuration;
import org.jfree.util.Log;
import org.jfree.util.PrintStreamLogTarget;
public class DefaultLogModule extends AbstractModule
{
public DefaultLogModule()
throws ModuleInitializeException
{
loadModuleInfo();
}
public void initialize(SubSystem subSystem)
throws ModuleInitializeException
{
if (LogConfiguration.isDisableLogging())
{
return;
}
if (LogConfiguration.getLogTarget().equals(PrintStreamLogTarget.class.getName()))
{
DefaultLog.installDefaultLog();
Log.getInstance().addTarget(new PrintStreamLogTarget());
if ("true".equals(subSystem.getGlobalConfig().getConfigProperty("org.jfree.base.LogAutoInit")))
{
Log.getInstance().init();
}
Log.info("Default log target started previous log messages could have been ignored.");
}
}
}package org.jfree.base.log;
import org.jfree.base.AbstractBoot;
import org.jfree.base.BaseBoot;
import org.jfree.base.config.ModifiableConfiguration;
import org.jfree.util.Configuration;
import org.jfree.util.PrintStreamLogTarget;
public class LogConfiguration
{
public static final String DISABLE_LOGGING_DEFAULT = "false";
public static final String LOGLEVEL = "org.jfree.base.LogLevel";
public static final String LOGLEVEL_DEFAULT = "Info";
public static final String LOGTARGET = "org.jfree.base.LogTarget";
public static final String LOGTARGET_DEFAULT = PrintStreamLogTarget.class.getName();
public static final String DISABLE_LOGGING = "org.jfree.base.NoDefaultDebug";
public static String getLogTarget()
{
return BaseBoot.getInstance().getGlobalConfig().getConfigProperty("org.jfree.base.LogTarget", LOGTARGET_DEFAULT);
}
public static void setLogTarget(String logTarget)
{
BaseBoot.getConfiguration().setConfigProperty("org.jfree.base.LogTarget", logTarget);
}
public static String getLogLevel()
{
return BaseBoot.getInstance().getGlobalConfig().getConfigProperty("org.jfree.base.LogLevel", "Info");
}
public static void setLogLevel(String level)
{
BaseBoot.getConfiguration().setConfigProperty("org.jfree.base.LogLevel", level);
}
public static boolean isDisableLogging()
{
return BaseBoot.getInstance().getGlobalConfig().getConfigProperty("org.jfree.base.NoDefaultDebug", "false").equalsIgnoreCase("true");
}
public static void setDisableLogging(boolean disableLogging)
{
BaseBoot.getConfiguration().setConfigProperty("org.jfree.base.NoDefaultDebug", String.valueOf(disableLogging));
}
}package org.jfree.base.log;
import java.util.Arrays;
public class PadMessage
{
private final Object text;
private final int length;
public PadMessage(Object message, int length)
{
this.text = message;
this.length = length;
}
public String toString()
{
StringBuffer b = new StringBuffer();
b.osend(this.text);
if (b.length() < this.length) {
char[] pad = new char[this.length - b.length()];
Arrays.fill(pad, ' ');
b.osend(pad);
}
return b.toString();
}
}package org.jfree.base.modules;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import org.jfree.util.ObjectUtilities;
public abstract class AbstractModule extends DefaultModuleInfo
implements Module
{
private ModuleInfo[] requiredModules;
private ModuleInfo[] optionalModules;
private String name;
private String description;
private String producer;
private String subsystem;
public AbstractModule()
{
setModuleClass(getClass().getName());
}
protected void loadModuleInfo()
throws ModuleInitializeException
{
InputStream in = ObjectUtilities.getResourceRelativeAsStream("module.properties", getClass());
if (in == null)
{
throw new ModuleInitializeException("File 'module.properties' not found in module package.");
}
loadModuleInfo(in);
}
protected void loadModuleInfo(InputStream in)
throws ModuleInitializeException
{
if (in == null)
{
throw new NullPointerException("Given InputStream is null.");
}
try
{
ArrayList optionalModules = new ArrayList();
ArrayList dependendModules = new ArrayList();
ReaderHelper rh = new ReaderHelper(new BufferedReader(new InputStreamReader(in, "ISO-8859-1")));
try
{
while (rh.hasNext())
{
String lastLineRead = rh.next();
if (lastLineRead.startsWith("module-info:"))
{
readModuleInfo(rh);
}
else if (lastLineRead.startsWith("depends:"))
{
dependendModules.add(readExternalModule(rh));
}
else if (lastLineRead.startsWith("optional:"))
{
optionalModules.add(readExternalModule(rh));
}
}
}
finally
{
rh.close();
}
this.optionalModules = ((ModuleInfo[])optionalModules.toArray(new ModuleInfo[optionalModules.size()]));
this.requiredModules = ((ModuleInfo[])dependendModules.toArray(new ModuleInfo[dependendModules.size()]));
}
catch (IOException ioe)
{
throw new ModuleInitializeException("Failed to load properties", ioe);
}
}
private String readValue(ReaderHelper reader, String firstLine)
throws IOException
{
StringBuffer b = new StringBuffer(firstLine.trim());
boolean newLine = true;
while (isNextLineValueLine(reader))
{
firstLine = reader.next();
String trimedLine = firstLine.trim();
if ((trimedLine.length() == 0) && (!newLine))
{
b.osend("\n");
newLine = true;
}
else
{
if (!newLine)
{
b.osend(" ");
}
b.osend(parseValue(trimedLine));
newLine = false;
}
}
return b.toString();
}
private boolean isNextLineValueLine(ReaderHelper reader)
throws IOException
{
if (!reader.hasNext())
{
return false;
}
String firstLine = reader.next();
if (firstLine == null)
{
return false;
}
if (parseKey(firstLine) != null)
{
reader.pushBack(firstLine);
return false;
}
reader.pushBack(firstLine);
return true;
}
private void readModuleInfo(ReaderHelper reader)
throws IOException
{
while (reader.hasNext())
{
String lastLineRead = reader.next();
if (!Character.isWhitespace(lastLineRead.charAt(0)))
{
reader.pushBack(lastLineRead);
return;
}
String line = lastLineRead.trim();
String key = parseKey(line);
if (key != null)
{
String b = readValue(reader, parseValue(line.trim()));
if ("name".equals(key))
{
setName(b);
}
else if ("producer".equals(key))
{
setProducer(b);
}
else if ("description".equals(key))
{
setDescription(b);
}
else if ("subsystem".equals(key))
{
setSubSystem(b);
}
else if ("version.major".equals(key))
{
setMajorVersion(b);
}
else if ("version.minor".equals(key))
{
setMinorVersion(b);
}
else if ("version.patchlevel".equals(key))
{
setPatchLevel(b);
}
}
}
}
private String parseKey(String line)
{
int idx = line.indexOf(':');
if (idx == -1)
{
return null;
}
return line.substring(0, idx);
}
private String parseValue(String line)
{
int idx = line.indexOf(':');
if (idx == -1)
{
return line;
}
if (idx + 1 == line.length())
{
return "";
}
return line.substring(idx + 1);
}
private DefaultModuleInfo readExternalModule(ReaderHelper reader)
throws IOException
{
DefaultModuleInfo mi = new DefaultModuleInfo();
while (reader.hasNext())
{
String lastLineRead = reader.next();
if (!Character.isWhitespace(lastLineRead.charAt(0)))
{
reader.pushBack(lastLineRead);
return mi;
}
String line = lastLineRead.trim();
String key = parseKey(line);
if (key != null)
{
String b = readValue(reader, parseValue(line));
if ("module".equals(key))
{
mi.setModuleClass(b);
}
else if ("version.major".equals(key))
{
mi.setMajorVersion(b);
}
else if ("version.minor".equals(key))
{
mi.setMinorVersion(b);
}
else if ("version.patchlevel".equals(key))
{
mi.setPatchLevel(b);
}
}
}
return mi;
}
public String getName()
{
return this.name;
}
protected void setName(String name)
{
this.name = name;
}
public String getDescription()
{
return this.description;
}
protected void setDescription(String description)
{
this.description = description;
}
public String getProducer()
{
return this.producer;
}
protected void setProducer(String producer)
{
this.producer = producer;
}
public ModuleInfo[] getRequiredModules()
{
ModuleInfo[] retval = new ModuleInfo[this.requiredModules.length];
System.arraycopy(this.requiredModules, 0, retval, 0, this.requiredModules.length);
return retval;
}
public ModuleInfo[] getOptionalModules()
{
ModuleInfo[] retval = new ModuleInfo[this.optionalModules.length];
System.arraycopy(this.optionalModules, 0, retval, 0, this.optionalModules.length);
return retval;
}
protected void setRequiredModules(ModuleInfo[] requiredModules)
{
this.requiredModules = new ModuleInfo[requiredModules.length];
System.arraycopy(requiredModules, 0, this.requiredModules, 0, requiredModules.length);
}
public void setOptionalModules(ModuleInfo[] optionalModules)
{
this.optionalModules = new ModuleInfo[optionalModules.length];
System.arraycopy(optionalModules, 0, this.optionalModules, 0, optionalModules.length