Examples with ContentType org.apache.http42.entity.ContentType used on opensource projects

Example 1 with ContentType

use of org.apache.http42.entity.ContentType in project RoboZombie by sahan.

the class EntityUtils method toString.

/**
     * Get the entity content as a String, using the provided default character set
     * if none is found in the entity.
     * If defaultCharset is null, the default "ISO-8859-1" is used.
     *
     * @param entity must not be null
     * @param defaultCharset character set to be applied if none found in the entity
     * @return the entity content as a String. May be null if
     *   {@link HttpEntity#getContent()} is null.
     * @throws ParseException if header elements cannot be deserialized
     * @throws IllegalArgumentException if entity is null or if content length > Integer.MAX_VALUE
     * @throws IOException if an error occurs reading the input stream
     */
public static String toString(final HttpEntity entity, final Charset defaultCharset) throws IOException, ParseException {
    if (entity == null) {
        throw new IllegalArgumentException("HTTP entity may not be null");
    }
    InputStream instream = entity.getContent();
    if (instream == null) {
        return null;
    }
    try {
        if (entity.getContentLength() > Integer.MAX_VALUE) {
            throw new IllegalArgumentException("HTTP entity too large to be buffered in memory");
        }
        int i = (int) entity.getContentLength();
        if (i < 0) {
            i = 4096;
        }
        Charset charset = null;
        try {
            ContentType contentType = ContentType.getOrDefault(entity);
            charset = contentType.getCharset();
        } catch (UnsupportedCharsetException ex) {
            throw new UnsupportedEncodingException(ex.getMessage());
        }
        if (charset == null) {
            charset = defaultCharset;
        }
        if (charset == null) {
            charset = HTTP.DEF_CONTENT_CHARSET;
        }
        Reader reader = new InputStreamReader(instream, charset);
        CharArrayBuffer buffer = new CharArrayBuffer(i);
        char[] tmp = new char[1024];
        int l;
        while ((l = reader.read(tmp)) != -1) {
            buffer.append(tmp, 0, l);
        }
        return buffer.toString();
    } finally {
        instream.close();
    }
}