Java Formatter.toString方法代碼示例

import java.util.Formatter; //導入方法依賴的package包/類
private String buildNotFoundMessage(PluginRequest pluginRequest, Result result) {
    if (result.notFoundList.isEmpty()) {
        // this shouldn't happen, resolvers should call notFound()
        return String.format("Plugin %s was not found", pluginRequest.getDisplayName());
    } else {
        Formatter sb = new Formatter();
        sb.format("Plugin %s was not found in any of the following sources:%n", pluginRequest.getDisplayName());

        for (NotFound notFound : result.notFoundList) {
            sb.format("%n- %s", notFound.source);
            if (notFound.detail != null) {
                sb.format(" (%s)", notFound.detail);
            }
        }

        return sb.toString();
    }
}
 

import java.util.Formatter; //導入方法依賴的package包/類
private static void failVersionCheck(boolean exit, String reason, Object... args) {
    Formatter errorMessage = new Formatter().format(reason, args);
    String javaHome = System.getProperty("java.home");
    String vmName = System.getProperty("java.vm.name");
    errorMessage.format("Set the JVMCI_VERSION_CHECK environment variable to \"ignore\" to suppress ");
    errorMessage.format("this error or to \"warn\" to emit a warning and continue execution.%n");
    errorMessage.format("Currently used Java home directory is %s.%n", javaHome);
    errorMessage.format("Currently used VM configuration is: %s%n", vmName);
    if (System.getProperty("java.specification.version").compareTo("1.9") < 0) {
        errorMessage.format("Download the latest JVMCI JDK 8 from http://www.oracle.com/technetwork/oracle-labs/program-languages/downloads/index.html");
    } else {
        errorMessage.format("Download the latest JDK 9 build from https://jdk9.java.net/download/");
    }
    String value = System.getenv("JVMCI_VERSION_CHECK");
    if ("warn".equals(value)) {
        System.err.println(errorMessage.toString());
    } else if ("ignore".equals(value)) {
        return;
    } else if (exit) {
        System.err.println(errorMessage.toString());
        System.exit(-1);
    } else {
        throw new InternalError(errorMessage.toString());
    }
}
 

import java.util.Formatter; //導入方法依賴的package包/類
/**
 * Generates a string holding the named definition
 * of a 2D float array for Mathematica in the form
 * name = {{A[0][0],...,A[0][m-1]},
 * {A[1][0],...,A[1][m-1]}, ...,
 * {A[n-1][0], A[n-1][1], ...,A[n-1][m-1]}};
 * @param name the identifier to be used in Mathematica.
 * @param A the array to be encoded (of length m).
 * @return a String holding the Mathematica definition.
 */
public static String listArray(String name, float[][] A) {
	StringBuilder sb = new StringBuilder();
	Formatter formatter = new Formatter(sb, Locale.US);
	String fs = PrintPrecision.getFormatStringFloat();
	formatter.format(name + " = {");
	for (int i = 0; i < A.length; i++) {
		if (i == 0)
			formatter.format("{");
		else
			formatter.format(", \n{");
		for (int j = 0; j < A[i].length; j++) {
			if (j == 0) 
				formatter.format(fs, A[j][i]);
			else
				formatter.format(", " + fs, A[j][i]);
		}
		formatter.format("}");
	}
	formatter.format("};\n");
	String result = formatter.toString();
	formatter.close();
	return result;
}
 

import java.util.Formatter; //導入方法依賴的package包/類
@Override
public String toString() {
    // Output into coordinate format. Indices start from 1 instead of 0
    Formatter out = new Formatter();

    out.format("%10d %19d\n", size, Matrices.cardinality(this));

    int i = 0;
    for (VectorEntry e : this) {
        if (e.get() != 0)
            out.format("%10d % .12e\n", e.index() + 1, e.get());
        if (++i == 100) {
            out.format("...\n");
            break;
        }
    }

    return out.toString();
}
 

import java.util.Formatter; //導入方法依賴的package包/類
/**
 * build TDV string of the sensor control command
 * @param info     sensor info
 * @param value    command value
 * @return TDV command string
 */
public static String buildSensorControlCommand(SensorInfo info, int value) {
    Formatter formatter = new Formatter();
    formatter.format("%02x", info.getType().getValueTDVTypes()[0]);
    switch (info.getType()) {
        case BUZZER:
            formatter.format("%02x", ValueType.SHORT.getCode());
            formatter.format("%04x", value);
            break;
        case LED:
            formatter.format("%02x", ValueType.SHORT.getCode());
            formatter.format("%04x", value);
            break;
        case DEVICE:
            formatter.format("%02x", ValueType.INT.getCode());
            formatter.format("%08x", value);
            break;
        default:
            formatter.format("%02x", ValueType.BOOL.getCode());
            formatter.format("%02x", value);
            break;
    }
    String result = formatter.toString();
    formatter.close();
    return result;
}
 

import java.util.Formatter; //導入方法依賴的package包/類
/**
 * Checks that a descriptor exists for this key after triggering loading of descriptors.
 */
protected boolean checkDescriptorExists() {
    OptionKey.Lazy.init();
    if (descriptor == null) {
        Formatter buf = new Formatter();
        buf.format("Could not find a descriptor for an option key. The most likely cause is " +
                        "a dependency on the %s annotation without a dependency on the " +
                        "org.graalvm.compiler.options.processor.OptionProcessor annotation processor.", Option.class.getName());
        StackTraceElement[] stackTrace = new Exception().getStackTrace();
        if (stackTrace.length > 2 &&
                        stackTrace[1].getClassName().equals(OptionKey.class.getName()) &&
                        stackTrace[1].getMethodName().equals("getValue")) {
            String caller = stackTrace[2].getClassName();
            buf.format(" In suite.py, add GRAAL_OPTIONS_PROCESSOR to the \"annotationProcessors\" attribute of the project " +
                            "containing %s.", caller);
        }
        throw new AssertionError(buf.toString());
    }
    return true;
}
 

import java.util.Formatter; //導入方法依賴的package包/類
private static String toHexString(byte[] bytes) {
    Formatter formatter = new Formatter();

    for (byte b : bytes) {
        formatter.format("%02x", b);
    }

    return formatter.toString();
}
 

import java.util.Formatter; //導入方法依賴的package包/類
private String scheduleToString(Schedule s) {
    if(!s.open) {
        return getContext().getString(R.string.lobby_schedule_closed);
    }
    Formatter f = new Formatter();
    DateUtils.formatDateRange(getContext(), f, s.openTime, s.openTime, DateUtils.FORMAT_SHOW_TIME, Time.TIMEZONE_UTC);
    f.format(getContext().getString(R.string.lobby_schedule_range_separator));
    DateUtils.formatDateRange(getContext(), f, s.openTime + s.duration, s.openTime + s.duration, DateUtils.FORMAT_SHOW_TIME, Time.TIMEZONE_UTC);
    return f.toString();
}
 

import java.util.Formatter; //導入方法依賴的package包/類
public <T extends ComponentResolutionState> T select(Collection<? extends T> candidates) {
    Formatter formatter = new Formatter();
    formatter.format("A conflict was found between the following modules:");
    for (ComponentResolutionState candidate : candidates) {
        formatter.format("%n - %s", candidate.getId());
    }
    throw new RuntimeException(formatter.toString());
}
 

import java.util.Formatter; //導入方法依賴的package包/類
public static String getFourLineHexString(byte[] sha256Hash){
    Formatter formatter = new Formatter();
    for (int i = 0; i < 32; i++) {
        formatter.format("%02X", sha256Hash[i]);
        if (i == 7 || i == 15 || i == 23) {
            formatter.format("\n");
        } else if (i != 31) {
            formatter.format(" ");
        }
    }
    return formatter.toString();
}
 

import java.util.Formatter; //導入方法依賴的package包/類
/**
 * Gets the singleton {@link JVMCIRuntime} instance available to the application.
 *
 * @throws UnsupportedOperationException if JVMCI is not supported
 */
public static JVMCIRuntime getRuntime() {
    if (runtime == null) {
        String javaHome = System.getProperty("java.home");
        String vmName = System.getProperty("java.vm.name");
        Formatter errorMessage = new Formatter();
        errorMessage.format("The VM does not support the JVMCI API.%n");
        errorMessage.format("Currently used Java home directory is %s.%n", javaHome);
        errorMessage.format("Currently used VM configuration is: %s", vmName);
        throw new UnsupportedOperationException(errorMessage.toString());
    }
    return runtime;
}
 

import java.util.Formatter; //導入方法依賴的package包/類
private static String byteToHex(final byte[] hash) {
	Formatter formatter = new Formatter();
	for (byte b : hash) {
		formatter.format("%02x", b);
	}
	String result = formatter.toString();
	formatter.close();
	return result;
}
 

import java.util.Formatter; //導入方法依賴的package包/類
private static String toHexString(byte[] bytes) {
    Formatter formatter = new Formatter();
    for (byte b : bytes) {
        formatter.format("%02x", b);
    }
    String hexString = formatter.toString();
    formatter.close();
    return hexString;
}
 

import java.util.Formatter; //導入方法依賴的package包/類
boolean checkNoConcurrentAccess() {
    Thread currentThread = Thread.currentThread();
    if (currentThread != thread) {
        Formatter buf = new Formatter();
        buf.format("Thread local %s object was created on thread %s but is being accessed by thread %s. The most likely cause is " +
                        "that the object is being retrieved from a non-thread-local cache.",
                        DebugContext.class.getName(), thread, currentThread);
        int debugContextConstructors = 0;
        boolean addedHeader = false;
        for (StackTraceElement e : origin) {
            if (e.getMethodName().equals("<init>") && e.getClassName().equals(DebugContext.class.getName())) {
                debugContextConstructors++;
            } else if (debugContextConstructors != 0) {
                if (!addedHeader) {
                    addedHeader = true;
                    buf.format(" The object was instantiated here:");
                }
                // Distinguish from assertion stack trace by using double indent and
                // "in" instead of "at" prefix.
                buf.format("%n\t\tin %s", e);
            }
        }
        if (addedHeader) {
            buf.format("%n");
        }

        throw new AssertionError(buf.toString());
    }
    return true;
}
 

import java.util.Formatter; //導入方法依賴的package包/類
private static String byteToHex(final byte[] hash) {
    Formatter formatter = new Formatter();
    for (byte b : hash)
    {
        formatter.format("%02x", b);
    }
    String result = formatter.toString();
    formatter.close();
    return result;
}