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Java CharsetEncoder.flush方法代码示例

本文整理汇总了Java中java.nio.charset.CharsetEncoder.flush方法的典型用法代码示例。如果您正苦于以下问题：Java CharsetEncoder.flush方法的具体用法？Java CharsetEncoder.flush怎么用？Java CharsetEncoder.flush使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类java.nio.charset.CharsetEncoder的用法示例。


在下文中一共展示了CharsetEncoder.flush方法的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: setSerialNumber

import java.nio.charset.CharsetEncoder; //导入方法依赖的package包/类
/**
 * Writes the serial number string to the device EEPROM
 *
 * @param name
 *            the string. This string has very limited length, e.g. 4 bytes.
 * @throws net.sf.jaer.hardwareinterface.HardwareInterfaceException
 */
public void setSerialNumber(final String name) throws HardwareInterfaceException {
	if (!isOpen()) {
		open();
	}

	final CharsetEncoder encoder = Charset.forName("US-ASCII").newEncoder();
	final ByteBuffer buffer = BufferUtils.allocateByteBuffer(name.length());

	encoder.encode(CharBuffer.wrap(name), buffer, true);
	encoder.flush(buffer);

	// sendVendorRequest(CypressFX3.VR_SET_DEVICE_NAME, (short) 0, (short)
	// 0, buffer);

	stringDescriptor3 = LibUsb.getStringDescriptor(deviceHandle, (byte) 3);
	if (stringDescriptor3 == null) {
		CypressFX3.log.warning("Could not get new device name!");
	}
	else {
		CypressFX3.log.info("New Devicename set, close and reopen the device to see the change");
	}
}
开发者ID:SensorsINI，项目名称:jaer，代码行数:30，代码来源:CypressFX3.java

示例2: getBytes

import java.nio.charset.CharsetEncoder; //导入方法依赖的package包/类
byte[] getBytes(String s) {
    CharsetEncoder ce = encoder().reset();
    char[] ca = s.toCharArray();
    int len = (int)(ca.length * ce.maxBytesPerChar());
    byte[] ba = new byte[len];
    if (len == 0)
        return ba;
    ByteBuffer bb = ByteBuffer.wrap(ba);
    CharBuffer cb = CharBuffer.wrap(ca);
    CoderResult cr = ce.encode(cb, bb, true);
    if (!cr.isUnderflow())
        throw new IllegalArgumentException(cr.toString());
    cr = ce.flush(bb);
    if (!cr.isUnderflow())
        throw new IllegalArgumentException(cr.toString());
    if (bb.position() == ba.length)  // defensive copy?
        return ba;
    else
        return Arrays.copyOf(ba, bb.position());
}
开发者ID:SunburstApps，项目名称:OpenJSharp，代码行数:21，代码来源:ZipCoder.java

示例3: encode

import java.nio.charset.CharsetEncoder; //导入方法依赖的package包/类
private static ByteBuffer encode(CharBuffer in, CharsetEncoder encoder) {
    int length = (int) (in.remaining() * (double) encoder.averageBytesPerChar());
    ByteBuffer out = ByteBuffer.allocate(length);

    encoder.reset();
    CoderResult flushResult = null;

    while (flushResult != CoderResult.UNDERFLOW) {
        CoderResult encodeResult = encoder.encode(in, out, true);
        if (encodeResult == CoderResult.OVERFLOW) {
            out = allocateMore(out);
            continue;
        }

        flushResult = encoder.flush(out);
        if (flushResult == CoderResult.OVERFLOW) {
            out = allocateMore(out);
        }
    }

    out.flip();
    return out;
}
开发者ID:Xiangxingqian，项目名称:WeiXinGroupSend，代码行数:24，代码来源:Utf7ImeHelper.java

示例4: encode

import java.nio.charset.CharsetEncoder; //导入方法依赖的package包/类
static byte[] encode(Charset cs, char[] ca, int off, int len) {
    CharsetEncoder ce = cs.newEncoder();
    int en = scale(len, ce.maxBytesPerChar());
    byte[] ba = new byte[en];
    if (len == 0)
        return ba;
    boolean isTrusted = false;
    if (System.getSecurityManager() != null) {
        if (!(isTrusted = (cs.getClass().getClassLoader0() == null))) {
            ca =  Arrays.copyOfRange(ca, off, off + len);
            off = 0;
        }
    }
    ce.onMalformedInput(CodingErrorAction.REPLACE)
      .onUnmappableCharacter(CodingErrorAction.REPLACE)
      .reset();
    if (ce instanceof ArrayEncoder) {
        int blen = ((ArrayEncoder)ce).encode(ca, off, len, ba);
        return safeTrim(ba, blen, cs, isTrusted);
    } else {
        ByteBuffer bb = ByteBuffer.wrap(ba);
        CharBuffer cb = CharBuffer.wrap(ca, off, len);
        try {
            CoderResult cr = ce.encode(cb, bb, true);
            if (!cr.isUnderflow())
                cr.throwException();
            cr = ce.flush(bb);
            if (!cr.isUnderflow())
                cr.throwException();
        } catch (CharacterCodingException x) {
            throw new Error(x);
        }
        return safeTrim(ba, bb.position(), cs, isTrusted);
    }
}
开发者ID:SunburstApps，项目名称:OpenJSharp，代码行数:36，代码来源:StringCoding.java

示例5: getBytes

import java.nio.charset.CharsetEncoder; //导入方法依赖的package包/类
byte[] getBytes(String s) {
    CharsetEncoder ce = encoder().reset();
    char[] ca = s.toCharArray();
    int len = (int)(ca.length * ce.maxBytesPerChar());
    byte[] ba = new byte[len];
    if (len == 0)
        return ba;
    // UTF-8 only for now. Other ArrayDeocder only handles
    // CodingErrorAction.REPLACE mode.
    if (isUTF8 && ce instanceof ArrayEncoder) {
        int blen = ((ArrayEncoder)ce).encode(ca, 0, ca.length, ba);
        if (blen == -1)    // malformed
            throw new IllegalArgumentException("MALFORMED");
        return Arrays.copyOf(ba, blen);
    }
    ByteBuffer bb = ByteBuffer.wrap(ba);
    CharBuffer cb = CharBuffer.wrap(ca);
    CoderResult cr = ce.encode(cb, bb, true);
    if (!cr.isUnderflow())
        throw new IllegalArgumentException(cr.toString());
    cr = ce.flush(bb);
    if (!cr.isUnderflow())
        throw new IllegalArgumentException(cr.toString());
    if (bb.position() == ba.length)  // defensive copy?
        return ba;
    else
        return Arrays.copyOf(ba, bb.position());
}
开发者ID:SunburstApps，项目名称:OpenJSharp，代码行数:29，代码来源:ZipCoder.java

示例6: getSubstringByte

import java.nio.charset.CharsetEncoder; //导入方法依赖的package包/类
/**
 * 指定したバイト数で文字列をカットする
 *
 * @param obj 対象オブジェクト
 * @param capacity カットするバイト数
 * @return String
 * @throws CharacterCodingException
 * @throws UnsupportedEncodingException
 */
private String getSubstringByte(final Object obj, final int capacity) throws CharacterCodingException,
		UnsupportedEncodingException {

	String str = obj == null ? "null" : obj.toString();
	if (capacity < 1) {
		return str;
	}

	CharsetEncoder ce = Charset.forName(ENCODING_SHIFT_JIS).newEncoder()
			.onMalformedInput(CodingErrorAction.REPLACE).onUnmappableCharacter(CodingErrorAction.REPLACE).reset();
	if (capacity >= ce.maxBytesPerChar() * str.length()) {
		return str;
	}
	CharBuffer cb = CharBuffer.wrap(new char[Math.min(str.length(), capacity)]);
	str.getChars(0, Math.min(str.length(), cb.length()), cb.array(), 0);

	if (capacity >= ce.maxBytesPerChar() * cb.limit()) {
		return cb.toString();
	}
	ByteBuffer out = ByteBuffer.allocate(capacity);
	ce.reset();
	CoderResult cr = null;
	if (cb.hasRemaining()) {
		cr = ce.encode(cb, out, true);
	} else {
		cr = CoderResult.UNDERFLOW;
	}
	if (cr.isUnderflow()) {
		cr = ce.flush(out);
	}
	return cb.flip().toString();
}
开发者ID:future-architect，项目名称:uroborosql，代码行数:42，代码来源:DumpResultSqlFilter.java

示例7: putString

import java.nio.charset.CharsetEncoder; //导入方法依赖的package包/类
/**
 * {@inheritDoc}
 */
@Override
public IoBuffer putString(CharSequence val, CharsetEncoder encoder) throws CharacterCodingException {
    if (val.length() == 0) {
        return this;
    }

    CharBuffer in = CharBuffer.wrap(val);
    encoder.reset();

    int expandedState = 0;

    for (;;) {
        CoderResult cr;
        if (in.hasRemaining()) {
            cr = encoder.encode(in, buf(), true);
        } else {
            cr = encoder.flush(buf());
        }

        if (cr.isUnderflow()) {
            break;
        }
        if (cr.isOverflow()) {
            if (isAutoExpand()) {
                switch (expandedState) {
                case 0:
                    autoExpand((int) Math.ceil(in.remaining() * encoder.averageBytesPerChar()));
                    expandedState++;
                    break;
                case 1:
                    autoExpand((int) Math.ceil(in.remaining() * encoder.maxBytesPerChar()));
                    expandedState++;
                    break;
                default:
                    throw new RuntimeException("Expanded by "
                            + (int) Math.ceil(in.remaining() * encoder.maxBytesPerChar())
                            + " but that wasn't enough for '" + val + "'");
                }
                continue;
            }
        } else {
            expandedState = 0;
        }
        cr.throwException();
    }
    return this;
}
开发者ID:eclipse，项目名称:neoscada，代码行数:51，代码来源:AbstractIoBuffer.java

示例8: encode

import java.nio.charset.CharsetEncoder; //导入方法依赖的package包/类
static byte[] encode(Charset cs, byte coder, byte[] val) {
    if (cs == UTF_8) {
        return encodeUTF8(coder, val);
    } else if (cs == ISO_8859_1) {
        return encode8859_1(coder, val);
    } else if (cs == US_ASCII) {
        return encodeASCII(coder, val);
    }
    CharsetEncoder ce = cs.newEncoder();
    // fastpath for ascii compatible
    if (coder == LATIN1 && (((ce instanceof ArrayEncoder) &&
                             ((ArrayEncoder)ce).isASCIICompatible() &&
                             !hasNegatives(val, 0, val.length)))) {
        return Arrays.copyOf(val, val.length);
    }
    int len = val.length >> coder;  // assume LATIN1=0/UTF16=1;
    int en = scale(len, ce.maxBytesPerChar());
    byte[] ba = new byte[en];
    if (len == 0) {
        return ba;
    }
    boolean isTrusted = cs.getClass().getClassLoader0() == null ||
                        System.getSecurityManager() == null;
    ce.onMalformedInput(CodingErrorAction.REPLACE)
      .onUnmappableCharacter(CodingErrorAction.REPLACE)
      .reset();
    if (ce instanceof ArrayEncoder) {
        if (!isTrusted) {
            val = Arrays.copyOf(val, val.length);
        }
        int blen = (coder == LATIN1 ) ? ((ArrayEncoder)ce).encodeFromLatin1(val, 0, len, ba)
                                      : ((ArrayEncoder)ce).encodeFromUTF16(val, 0, len, ba);
        if (blen != -1) {
            return safeTrim(ba, blen, isTrusted);
        }
    }
    char[] ca = (coder == LATIN1 ) ? StringLatin1.toChars(val)
                                   : StringUTF16.toChars(val);
    ByteBuffer bb = ByteBuffer.wrap(ba);
    CharBuffer cb = CharBuffer.wrap(ca, 0, len);
    try {
        CoderResult cr = ce.encode(cb, bb, true);
        if (!cr.isUnderflow())
            cr.throwException();
        cr = ce.flush(bb);
        if (!cr.isUnderflow())
            cr.throwException();
    } catch (CharacterCodingException x) {
        throw new Error(x);
    }
    return safeTrim(ba, bb.position(), isTrusted);
}
开发者ID:AdoptOpenJDK，项目名称:openjdk-jdk10，代码行数:53，代码来源:StringCoding.java


注：本文中的java.nio.charset.CharsetEncoder.flush方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。