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First pass for windows support.

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This commit is contained in:
Adam Murdoch
2012-08-04 12:32:15 +10:00
parent dadf93caf8
commit e5537494b0
11 changed files with 689 additions and 617 deletions
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82
src/main/java/net/rubygrapefruit/platform/Main.java Normal file → Executable file
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@@ -1,41 +1,41 @@
package net.rubygrapefruit.platform;
public class Main {
public static void main(String[] args) {
System.out.println();
System.out.println("* OS: " + System.getProperty("os.name") + ' ' + System.getProperty("os.version") + ' ' + System.getProperty("os.arch"));
Process process = Native.get(Process.class);
System.out.println("* PID: " + process.getPid());
TerminalAccess terminalAccess = Native.get(TerminalAccess.class);
boolean stdoutIsTerminal = terminalAccess.isTerminal(TerminalAccess.Output.Stdout);
boolean stderrIsTerminal = terminalAccess.isTerminal(TerminalAccess.Output.Stderr);
System.out.println("* stdout: " + (stdoutIsTerminal ? "terminal" : "not a terminal"));
System.out.println("* stderr: " + (stderrIsTerminal ? "terminal" : "not a terminal"));
if (stdoutIsTerminal) {
Terminal terminal = terminalAccess.getTerminal(TerminalAccess.Output.Stdout);
TerminalSize terminalSize = terminal.getTerminalSize();
System.out.println("* terminal size: " + terminalSize.getCols() + " cols x " + terminalSize.getRows() + " rows");
System.out.println();
System.out.println("TERMINAL OUTPUT");
System.out.print("[normal] ");
terminal.bold();
System.out.print("[bold]");
terminal.normal();
System.out.println(" [normal]");
System.out.println("here are the colors:");
for (Terminal.Color color : Terminal.Color.values()) {
terminal.foreground(color);
System.out.print(String.format("[%s] ", color.toString().toLowerCase()));
terminal.bold();
System.out.print(String.format("[%s]", color.toString().toLowerCase()));
terminal.normal();
System.out.println();
}
}
System.out.println();
}
}
package net.rubygrapefruit.platform;
public class Main {
public static void main(String[] args) {
System.out.println();
System.out.println("* OS: " + System.getProperty("os.name") + ' ' + System.getProperty("os.version") + ' ' + System.getProperty("os.arch"));
Process process = Native.get(Process.class);
System.out.println("* PID: " + process.getProcessId());
TerminalAccess terminalAccess = Native.get(TerminalAccess.class);
boolean stdoutIsTerminal = terminalAccess.isTerminal(TerminalAccess.Output.Stdout);
boolean stderrIsTerminal = terminalAccess.isTerminal(TerminalAccess.Output.Stderr);
System.out.println("* stdout: " + (stdoutIsTerminal ? "terminal" : "not a terminal"));
System.out.println("* stderr: " + (stderrIsTerminal ? "terminal" : "not a terminal"));
if (stdoutIsTerminal) {
Terminal terminal = terminalAccess.getTerminal(TerminalAccess.Output.Stdout);
TerminalSize terminalSize = terminal.getTerminalSize();
System.out.println("* terminal size: " + terminalSize.getCols() + " cols x " + terminalSize.getRows() + " rows");
System.out.println();
System.out.println("TERMINAL OUTPUT");
System.out.print("[normal] ");
terminal.bold();
System.out.print("[bold]");
terminal.normal();
System.out.println(" [normal]");
System.out.println("here are the colors:");
for (Terminal.Color color : Terminal.Color.values()) {
terminal.foreground(color);
System.out.print(String.format("[%s] ", color.toString().toLowerCase()));
terminal.bold();
System.out.print(String.format("[%s]", color.toString().toLowerCase()));
terminal.normal();
System.out.println();
}
}
System.out.println();
}
}

383
src/main/java/net/rubygrapefruit/platform/Native.java Normal file → Executable file
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@@ -1,181 +1,202 @@
package net.rubygrapefruit.platform;
import net.rubygrapefruit.platform.internal.*;
import java.io.File;
import java.io.IOException;
import java.io.PrintStream;
/**
* Provides access to the native integrations. Use {@link #get(Class)} to load a particular integration.
*/
public class Native {
private static final Object lock = new Object();
private static boolean loaded;
static <T extends NativeIntegration> T get(Class<T> type) {
synchronized (lock) {
if (!loaded) {
Platform platform = Platform.current();
if (!platform.isSupported()) {
throw new NativeException(String.format("The current platform is not supported."));
}
try {
File libFile = new File("build/binaries/" + platform.getLibraryName());
System.load(libFile.getCanonicalPath());
} catch (IOException e) {
throw new RuntimeException(e);
}
int nativeVersion = NativeLibraryFunctions.getVersion();
if (nativeVersion != NativeLibraryFunctions.VERSION) {
throw new NativeException(String.format(
"Unexpected native library version loaded. Expected %s, was %s.", nativeVersion,
NativeLibraryFunctions.VERSION));
}
loaded = true;
}
}
if (type.equals(PosixFile.class)) {
return type.cast(new DefaultPosixFile());
}
if (type.equals(Process.class)) {
return type.cast(new DefaultProcess());
}
if (type.equals(TerminalAccess.class)) {
return type.cast(new DefaultTerminalAccess());
}
throw new UnsupportedOperationException(String.format("Cannot load unknown native integration %s.",
type.getName()));
}
private static class DefaultPosixFile implements PosixFile {
@Override
public void setMode(File file, int perms) {
FunctionResult result = new FunctionResult();
PosixFileFunctions.chmod(file.getPath(), perms, result);
if (result.isFailed()) {
throw new NativeException(String.format("Could not set UNIX mode on %s: %s", file, result.getMessage()));
}
}
@Override
public int getMode(File file) {
FunctionResult result = new FunctionResult();
FileStat stat = new FileStat();
PosixFileFunctions.stat(file.getPath(), stat, result);
if (result.isFailed()) {
throw new NativeException(String.format("Could not get UNIX mode on %s: %s", file, result.getMessage()));
}
return stat.mode;
}
}
private static class DefaultProcess implements Process {
@Override
public int getPid() throws NativeException {
return PosixProcessFunctions.getPid();
}
}
private static class DefaultTerminalAccess implements TerminalAccess {
private static Output currentlyOpen;
@Override
public boolean isTerminal(Output output) {
return PosixTerminalFunctions.isatty(output.ordinal());
}
@Override
public Terminal getTerminal(Output output) {
if (currentlyOpen != null) {
throw new UnsupportedOperationException("Currently only one output can be used as a terminal.");
}
DefaultTerminal terminal = new DefaultTerminal(output);
terminal.init();
currentlyOpen = output;
return terminal;
}
}
private static class DefaultTerminal implements Terminal {
private final TerminalAccess.Output output;
private final PrintStream stream;
private Color foreground;
public DefaultTerminal(TerminalAccess.Output output) {
this.output = output;
stream = output == TerminalAccess.Output.Stdout ? System.out : System.err;
}
public void init() {
stream.flush();
FunctionResult result = new FunctionResult();
TerminfoFunctions.initTerminal(output.ordinal(), result);
if (result.isFailed()) {
throw new NativeException(String.format("Could not open terminal: %s", result.getMessage()));
}
Runtime.getRuntime().addShutdownHook(new Thread(){
@Override
public void run() {
reset();
}
});
}
@Override
public TerminalSize getTerminalSize() {
MutableTerminalSize terminalSize = new MutableTerminalSize();
FunctionResult result = new FunctionResult();
PosixTerminalFunctions.getTerminalSize(output.ordinal(), terminalSize, result);
if (result.isFailed()) {
throw new NativeException(String.format("Could not get terminal size: %s", result.getMessage()));
}
return terminalSize;
}
@Override
public Terminal foreground(Color color) {
stream.flush();
FunctionResult result = new FunctionResult();
TerminfoFunctions.foreground(color.ordinal(), result);
if (result.isFailed()) {
throw new NativeException(String.format("Could not switch foreground color: %s", result.getMessage()));
}
foreground = color;
return this;
}
@Override
public Terminal bold() {
stream.flush();
FunctionResult result = new FunctionResult();
TerminfoFunctions.bold(result);
if (result.isFailed()) {
throw new NativeException(String.format("Could not switch to bold mode: %s", result.getMessage()));
}
return this;
}
@Override
public Terminal normal() {
reset();
if (foreground != null) {
foreground(foreground);
}
return this;
}
@Override
public Terminal reset() {
stream.flush();
FunctionResult result = new FunctionResult();
TerminfoFunctions.reset(result);
if (result.isFailed()) {
throw new NativeException(String.format("Could not reset terminal: %s", result.getMessage()));
}
return this;
}
}
}
package net.rubygrapefruit.platform;
import net.rubygrapefruit.platform.internal.*;
import java.io.File;
import java.io.IOException;
import java.io.PrintStream;
/**
* Provides access to the native integrations. Use {@link #get(Class)} to load a particular integration.
*/
public class Native {
private static final Object lock = new Object();
private static boolean loaded;
static <T extends NativeIntegration> T get(Class<T> type) {
Platform platform = Platform.current();
synchronized (lock) {
if (!loaded) {
if (!platform.isSupported()) {
throw new NativeException(String.format("The current platform is not supported."));
}
try {
File libFile = new File("build/binaries/" + platform.getLibraryName());
System.load(libFile.getCanonicalPath());
} catch (IOException e) {
throw new RuntimeException(e);
}
int nativeVersion = NativeLibraryFunctions.getVersion();
if (nativeVersion != NativeLibraryFunctions.VERSION) {
throw new NativeException(String.format(
"Unexpected native library version loaded. Expected %s, was %s.", nativeVersion,
NativeLibraryFunctions.VERSION));
}
loaded = true;
}
}
if (platform.isPosix()) {
if (type.equals(PosixFile.class)) {
return type.cast(new DefaultPosixFile());
}
if (type.equals(Process.class)) {
return type.cast(new DefaultProcess());
}
if (type.equals(TerminalAccess.class)) {
return type.cast(new TerminfoTerminalAccess());
}
} else if (platform.isWindows()) {
if (type.equals(Process.class)) {
return type.cast(new DefaultProcess());
}
if (type.equals(TerminalAccess.class)) {
return type.cast(new WindowsTerminalAccess());
}
}
throw new UnsupportedOperationException(String.format("Cannot load unsupported native integration %s.",
type.getName()));
}
private static class DefaultPosixFile implements PosixFile {
@Override
public void setMode(File file, int perms) {
FunctionResult result = new FunctionResult();
PosixFileFunctions.chmod(file.getPath(), perms, result);
if (result.isFailed()) {
throw new NativeException(String.format("Could not set UNIX mode on %s: %s", file, result.getMessage()));
}
}
@Override
public int getMode(File file) {
FunctionResult result = new FunctionResult();
FileStat stat = new FileStat();
PosixFileFunctions.stat(file.getPath(), stat, result);
if (result.isFailed()) {
throw new NativeException(String.format("Could not get UNIX mode on %s: %s", file, result.getMessage()));
}
return stat.mode;
}
}
private static class DefaultProcess implements Process {
@Override
public int getProcessId() throws NativeException {
return PosixProcessFunctions.getPid();
}
}
private static class TerminfoTerminalAccess implements TerminalAccess {
private static Output currentlyOpen;
@Override
public boolean isTerminal(Output output) {
return PosixTerminalFunctions.isatty(output.ordinal());
}
@Override
public Terminal getTerminal(Output output) {
if (currentlyOpen != null) {
throw new UnsupportedOperationException("Currently only one output can be used as a terminal.");
}
DefaultTerminal terminal = new DefaultTerminal(output);
terminal.init();
currentlyOpen = output;
return terminal;
}
}
private static class DefaultTerminal implements Terminal {
private final TerminalAccess.Output output;
private final PrintStream stream;
private Color foreground;
public DefaultTerminal(TerminalAccess.Output output) {
this.output = output;
stream = output == TerminalAccess.Output.Stdout ? System.out : System.err;
}
public void init() {
stream.flush();
FunctionResult result = new FunctionResult();
TerminfoFunctions.initTerminal(output.ordinal(), result);
if (result.isFailed()) {
throw new NativeException(String.format("Could not open terminal: %s", result.getMessage()));
}
Runtime.getRuntime().addShutdownHook(new Thread(){
@Override
public void run() {
reset();
}
});
}
@Override
public TerminalSize getTerminalSize() {
MutableTerminalSize terminalSize = new MutableTerminalSize();
FunctionResult result = new FunctionResult();
PosixTerminalFunctions.getTerminalSize(output.ordinal(), terminalSize, result);
if (result.isFailed()) {
throw new NativeException(String.format("Could not get terminal size: %s", result.getMessage()));
}
return terminalSize;
}
@Override
public Terminal foreground(Color color) {
stream.flush();
FunctionResult result = new FunctionResult();
TerminfoFunctions.foreground(color.ordinal(), result);
if (result.isFailed()) {
throw new NativeException(String.format("Could not switch foreground color: %s", result.getMessage()));
}
foreground = color;
return this;
}
@Override
public Terminal bold() {
stream.flush();
FunctionResult result = new FunctionResult();
TerminfoFunctions.bold(result);
if (result.isFailed()) {
throw new NativeException(String.format("Could not switch to bold mode: %s", result.getMessage()));
}
return this;
}
@Override
public Terminal normal() {
reset();
if (foreground != null) {
foreground(foreground);
}
return this;
}
@Override
public Terminal reset() {
stream.flush();
FunctionResult result = new FunctionResult();
TerminfoFunctions.reset(result);
if (result.isFailed()) {
throw new NativeException(String.format("Could not reset terminal: %s", result.getMessage()));
}
return this;
}
}
private static class WindowsTerminalAccess implements TerminalAccess {
@Override
public boolean isTerminal(Output output) {
return false;
}
@Override
public Terminal getTerminal(Output output) {
throw new UnsupportedOperationException();
}
}
}

16
src/main/java/net/rubygrapefruit/platform/Process.java Normal file → Executable file
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@@ -1,8 +1,8 @@
package net.rubygrapefruit.platform;
/**
* Functions to query and modify a process' meta-data
*/
public interface Process extends NativeIntegration {
int getPid() throws NativeException;
}
package net.rubygrapefruit.platform;
/**
* Functions to query and modify a process' meta-data
*/
public interface Process extends NativeIntegration {
int getProcessId() throws NativeException;
}

142
src/main/java/net/rubygrapefruit/platform/internal/Platform.java Normal file → Executable file
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@@ -1,61 +1,81 @@
package net.rubygrapefruit.platform.internal;
public abstract class Platform {
private static Platform platform;
public static Platform current() {
synchronized (Platform.class) {
if (platform == null) {
String osName = System.getProperty("os.name").toLowerCase();
if (osName.contains("windows")) {
platform = new Windows();
} else if (osName.contains("linux")) {
platform = new Linux();
} else if (osName.contains("os x")) {
platform = new OsX();
} else {
platform = new Unsupported();
}
}
return platform;
}
}
public boolean isSupported() {
return true;
}
public abstract String getLibraryName();
private static class Windows extends Platform {
@Override
public String getLibraryName() {
return "native-platform.dll";
}
}
private static class Linux extends Platform {
@Override
public String getLibraryName() {
return "libnative-platform.so";
}
}
private static class OsX extends Platform {
@Override
public String getLibraryName() {
return "libnative-platform.dylib";
}
}
private static class Unsupported extends Platform {
@Override
public boolean isSupported() {
return false;
}
public String getLibraryName() {
throw new UnsupportedOperationException();
}
}
}
package net.rubygrapefruit.platform.internal;
public abstract class Platform {
private static Platform platform;
public static Platform current() {
synchronized (Platform.class) {
if (platform == null) {
String osName = System.getProperty("os.name").toLowerCase();
if (osName.contains("windows")) {
platform = new Windows();
} else if (osName.contains("linux")) {
platform = new Linux();
} else if (osName.contains("os x")) {
platform = new OsX();
} else {
platform = new Unsupported();
}
}
return platform;
}
}
public boolean isSupported() {
return true;
}
public boolean isPosix() {
return false;
}
public boolean isWindows() {
return false;
}
public abstract String getLibraryName();
private static class Windows extends Platform {
@Override
public boolean isWindows() {
return true;
}
@Override
public String getLibraryName() {
return "native-platform.dll";
}
}
private static abstract class Posix extends Platform {
@Override
public boolean isPosix() {
return true;
}
}
private static class Linux extends Posix {
@Override
public String getLibraryName() {
return "libnative-platform.so";
}
}
private static class OsX extends Posix {
@Override
public String getLibraryName() {
return "libnative-platform.dylib";
}
}
private static class Unsupported extends Platform {
@Override
public boolean isSupported() {
return false;
}
public String getLibraryName() {
throw new UnsupportedOperationException();
}
}
}