Example usage for java.lang String getChars

Introduction

In this page you can find the example usage for java.lang String getChars.

Prototype

public void getChars(int srcBegin, int srcEnd, char dst[], int dstBegin) 

Source Link

Document

Copies characters from this string into the destination character array.

Usage

From source file:org.apache.shindig.gadgets.uri.UriUtils.java

/**
 * Returns true if the header value is valid.
 * NOTE: RFC 822 section 3.1.2 describes the structure of header fields.
 * According to the RFC, a header value (or field-body) may be composed of any ASCII characters,
 * except CR or LF.//from  w  ww .ja  v a2s .c  o m
 * @param val The header value.
 * @return True if the header value is valid, false otherwise.
 */
public static boolean isValidHeaderValue(String val) {
    char[] dst = new char[val.length()];
    val.getChars(0, val.length(), dst, 0);

    for (char c : dst) {
        if (c == 13 || c == 10) {
            // CR and LF.
            return false;
        }
        if (c > 127) {
            return false;
        }
    }
    return true;
}

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From source file:org.apache.shindig.gadgets.uri.UriUtils.java

/**
 * Returns true if the header name is valid.
 * NOTE: RFC 822 section 3.1.2 describes the structure of header fields.
 * According to the RFC, a header name (or field-name) must be composed of printable ASCII
 * characters (i.e., characters that have values between 33. and 126. decimal, except colon).
 * @param name The header name.//from w ww.  jav a 2s.co m
 * @return True if the header name is valid, false otherwise.
 */
public static boolean isValidHeaderName(String name) {
    char[] dst = new char[name.length()];
    name.getChars(0, name.length(), dst, 0);

    for (char c : dst) {
        if (c < 33 || c > 126) {
            return false;
        }
        if (c == ':') {
            return false;
        }
    }
    return true;
}

---

From source file:Main.java

/**
 * Decode a base64 string into a byte array.
 *
 * @param data the encoded data.//from  ww  w.  j  av  a 2 s.co  m
 * @return a byte array.
 * @see #fromBase64(String)
 */
public static byte[] fromBase64(String data) {
    if (data == null) {
        return null;
    }

    int len = data.length();
    assert (len % 4) == 0;

    if (len == 0) {
        return new byte[0];
    }

    char[] chars = new char[len];
    data.getChars(0, len, chars, 0);

    int olen = 3 * (len / 4);
    if (chars[len - 2] == '=') {
        --olen;
    }
    if (chars[len - 1] == '=') {
        --olen;
    }

    byte[] bytes = new byte[olen];

    int iidx = 0;
    int oidx = 0;
    while (iidx < len) {
        int c0 = base64Values[chars[iidx++] & 0xff];
        int c1 = base64Values[chars[iidx++] & 0xff];
        int c2 = base64Values[chars[iidx++] & 0xff];
        int c3 = base64Values[chars[iidx++] & 0xff];
        int c24 = (c0 << 18) | (c1 << 12) | (c2 << 6) | c3;

        bytes[oidx++] = (byte) (c24 >> 16);
        if (oidx == olen) {
            break;
        }
        bytes[oidx++] = (byte) (c24 >> 8);
        if (oidx == olen) {
            break;
        }
        bytes[oidx++] = (byte) c24;
    }

    return bytes;
}

---

From source file:IPDomainValidator.java

/**
 * Returns 0 if the string {@code domain} is invalid.
 *//*from   www  .j  a v a 2s .  c  o  m*/
public static int validate(String domain, int start, int end) {
    char[] ch = new char[end - start];
    domain.getChars(start, end, ch, 0);
    return validate(ch);
}

---

From source file:org.seasar.mayaa.impl.engine.specification.QNameImpl.java

/**
 * "{URI}localName"?????/* w ww.j a v a 2 s  .com*/
 *
 * @param namespaceURI ????URI
 * @param localName ??
 * @return "{URI}localName"??
 */
private static String forQNameString(URI namespaceURI, String localName) {
    String namespace = namespaceURI.getValue();
    int namespaceLength = namespace.length();
    int localNameLength = localName.length();
    char[] buffer = new char[namespaceLength + localNameLength + 2];
    buffer[0] = '{';
    namespace.getChars(0, namespaceLength, buffer, 1);
    buffer[namespaceLength + 1] = '}';
    localName.getChars(0, localNameLength, buffer, namespaceLength + 2);
    return new String(buffer);
}

---

From source file:jp.terasoluna.fw.web.taglib.TagUtil.java

/**
 * HTML?oTj^CY?s?B/*from  w  ww.  jav a2 s . c om*/
 * ?u<?v?u>?v?u&?v?u"?v?u'?vu?B
 * 
 * @param value Tj^CY?
 * @return ?W?
 */
public static String filter(String value) {

    if (value == null) {
        return null;
    }

    char[] content = new char[value.length()];
    value.getChars(0, value.length(), content, 0);
    StringBuilder result = new StringBuilder();

    for (int i = 0; i < content.length; i++) {
        switch (content[i]) {
        case '<':
            result.append("&lt;");
            break;
        case '>':
            result.append("&gt;");
            break;
        case '&':
            result.append("&amp;");
            break;
        case '"':
            result.append("&quot;");
            break;
        case '\'':
            result.append("&#39;");
            break;
        default:
            result.append(content[i]);
            break;
        }
    }

    return result.toString();
}

---

From source file:com.jaspersoft.ireport.designer.data.fieldsproviders.ejbql.EJBQLFieldsReader.java

/**
 * Checks if the input is a valid Java literal
 * @param literal//from w  w  w  .j  av a  2s  .  c  om
 * @author Gaganis Giorgos (gaganis@users.sourceforge.net) 
 */
private static boolean isValidLiteral(String literal) {
    boolean result = true;

    char[] literalChars = new char[literal.length()];
    literal.getChars(0, literalChars.length, literalChars, 0);

    for (int i = 0; i < literalChars.length; i++) {
        if (i == 0 && !Character.isJavaIdentifierStart(literalChars[i])) {
            result = false;
            break;
        }

        if (i != 0 && !Character.isJavaIdentifierPart(literalChars[i])) {
            result = false;
            break;
        }
    }

    return result;
}

---

From source file:Main.java

public static Document loadString(String paramString) throws Exception {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    factory.setIgnoringComments(false);//from  ww w  .ja  va2s .  com
    factory.setIgnoringElementContentWhitespace(false);
    factory.setValidating(false);
    factory.setCoalescing(false);
    DocumentBuilder builder = factory.newDocumentBuilder();
    char[] arrayOfChar = new char[paramString.length()];
    paramString.getChars(0, paramString.length(), arrayOfChar, 0);
    InputSource input = new InputSource(new CharArrayReader(arrayOfChar));
    return builder.parse(input);
}

---

From source file:Main.java

public static Document loadString(String domContent) throws Exception {
    javax.xml.parsers.DocumentBuilderFactory factory = javax.xml.parsers.DocumentBuilderFactory.newInstance();
    factory.setIgnoringComments(false);// w  w  w. ja  v  a 2  s .co m
    factory.setIgnoringElementContentWhitespace(false);
    factory.setValidating(false);
    factory.setCoalescing(false);
    DocumentBuilder builder = factory.newDocumentBuilder();

    char[] chars = new char[domContent.length()];
    domContent.getChars(0, domContent.length(), chars, 0);
    InputSource is = new InputSource(new CharArrayReader(chars));
    return (builder.parse(is));
}

---

From source file:de.iteratec.iteraplan.presentation.tags.TagUtils.java

/**
 * Filter the specified string for characters that are sensitive to HTML interpreters, returning
 * the string with these characters replaced by the corresponding character entities.
 * //www  .  j av  a2 s.  co  m
 * @param value
 *          The string to be filtered and returned
 */
public static String filter(String value) {

    if (value == null) {
        return (null);
    }

    char content[] = new char[value.length()];
    value.getChars(0, value.length(), content, 0);
    StringBuffer result = new StringBuffer(content.length + 50);
    for (int i = 0; i < content.length; i++) {
        switch (content[i]) {
        case '<':
            result.append("&lt;");
            break;
        case '>':
            result.append("&gt;");
            break;
        case '&':
            result.append("&amp;");
            break;
        case '"':
            result.append("&quot;");
            break;
        case '\'':
            result.append("&#39;");
            break;
        default:
            result.append(content[i]);
        }
    }
    return (result.toString());
}

---

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