public int getLineNumber() {
        return lineNumber;
    }

    public int getColumnNumber() {
        return columnNumber;
    }

    public String getLocation() {
        StringBuilder buffer = new StringBuilder(256);

        if (!getSource().isEmpty()) {
            if (buffer.length() > 0) {
                buffer.append(", ");
            }
            buffer.append(getSource());
        }

    }

    private static String getSignature(final Object... methodArgs) {
        if (methodArgs == null || methodArgs.length == 0) {
            return "";
        }
        final StringBuilder buf = new StringBuilder(100);
        for (final Object arg : methodArgs) {
            if (arg != null) {
                buf.append(arg.getClass().getName());
            } else {
                buf.append("null");

                        logger.warn("Failed to write {} to response.", id, e);
                    }
                });
    }

    private static StringBuilder appendJson(final String field, final Object value, final StringBuilder buf) {
        buf.append('"').append(StringEscapeUtils.escapeJson(field)).append('"').append(':');
        if (value == null) {
            buf.append("null");

            writeJsonResponse(HttpServletResponse.SC_BAD_REQUEST, escapeJsonKeyValue(MESSAGE_FIELD, "Scroll Search is not available."));
            return;
        }

        final StringBuilder buf = new StringBuilder(1000);
        request.setAttribute(Constants.SEARCH_LOG_ACCESS_TYPE, Constants.SEARCH_LOG_ACCESS_TYPE_JSON);
        final JsonRequestParams params = new JsonRequestParams(request, fessConfig);
        try {

    }

    public LocalRepository getRepository() {
        return repository;
    }

    public String getPathForLocalArtifact(Artifact artifact) {
        StringBuilder path = new StringBuilder(128);

        path.append(artifact.getGroupId()).append('/');

        path.append(artifact.getExtension()).append("s/");

    }

    public LocalRepository getRepository() {
        return repository;
    }

    public String getPathForLocalArtifact(Artifact artifact) {
        StringBuilder path = new StringBuilder(128);

        path.append(artifact.getGroupId()).append('/');

        path.append(artifact.getExtension()).append("s/");

import org.apache.maven.api.services.MessageBuilder;

@Experimental
public class DefaultMessageBuilder implements MessageBuilder {

    private final StringBuilder buffer;

    public DefaultMessageBuilder() {
        this(new StringBuilder());
    }

    public DefaultMessageBuilder(StringBuilder buffer) {
        this.buffer = buffer;
    }

    @Override
    public MessageBuilder style(String style) {
        return this;

     */
    public static String escape(final String value) {
        if (value == null) {
            return null;
        }

        char c;
        final int len = value.length();
        final StringBuilder buf = new StringBuilder(len * 2);

        for (int i = 0; i < len; i++) {
            c = value.charAt(i);
            switch (c) {
            case '\\':
            case '"':
                buf.append('\\');

                    }
                }
            }
        }
    }

    private String path(Artifact artifact) {
        StringBuilder path = new StringBuilder(128);

        path.append(artifact.getGroupId().replace('.', '/')).append('/');

        path.append(artifact.getArtifactId()).append('/');

    // from File to StringBuilder
    //
    /**
     * プラットフォームのデフォルトエンコーディングでファイルから{@link StringBuilder}へコピーします。
     *
     * @param in
     *            ファイル。{@literal null}であってはいけません
     * @param out
     *            {@link StringBuilder}。{@literal null}であってはいけません
     * @return コピーした文字数
     */
    public static int copy(final File in, final StringBuilder out) {