Examples with ITagProcessor org.eclipse.scout.rt.platform.util.StringUtility.ITagProcessor used on opensource projects

Example 1 with ITagProcessor

use of org.eclipse.scout.rt.platform.util.StringUtility.ITagProcessor in project scout.rt by eclipse.

the class FormDataStatementBuilder method createSqlPart.

/**
 * Create sql text, makes bind names unique, and adds all binds to the bind map
 * <p>
 * To use no operator use {@link DataModelConstants#OPERATOR_NONE} and null for binds and values, stm will be
 * decorated and is the result itself
 * <p>
 * To use no aggregation use {@link DataModelConstants#AGGREGATION_NONE}
 */
@SuppressWarnings("bsiRulesDefinition:htmlInString")
public String createSqlPart(final Integer aggregationType, String sql, final int operation, List<String> bindNames, List<Object> bindValues, final boolean plainBind, Map<String, String> parentAliasMap) {
    if (sql == null) {
        sql = "";
    }
    if (bindNames == null) {
        bindNames = new ArrayList<String>(0);
    }
    if (bindValues == null) {
        bindValues = new ArrayList<Object>(0);
    }
    // by default
    if (sql.indexOf("<attribute>") < 0) {
        sql = "<attribute>" + sql + "</attribute>";
    }
    // convenience: automatically add missing alias on plain attributes, but only if the parent entity has at most 1 alias mapping
    Matcher m = PLAIN_ATTRIBUTE_PATTERN.matcher(sql);
    if (m.find()) {
        if (parentAliasMap.size() == 0) {
        // nop
        } else if (parentAliasMap.size() == 1) {
            sql = m.replaceAll("$1@parent." + parentAliasMap.keySet().iterator().next() + "@.$2$3");
        } else {
            throw new ProcessingException("root attribute with " + sql + " uses no @...@ alias prefix, but parent has more than 1 alias: " + parentAliasMap);
        }
    }
    // resolve aliases
    sql = m_aliasMapper.replaceMarkersByAliases(sql, parentAliasMap, parentAliasMap);
    // generate unique bind names
    final ArrayList<String> newBindNames = new ArrayList<String>(2);
    for (int i = 0; i < bindNames.size(); i++) {
        String o = bindNames.get(i);
        String n = localizeBindName(o, "__");
        newBindNames.add(n);
        sql = localizeStatement(sql, o, n);
    }
    // part decoration
    final List<Object> valuesFinal = bindValues;
    ITagProcessor processor = new ITagProcessor() {

        @Override
        public String processTag(String tagName, String a) {
            return createSqlOpValuePart(aggregationType, a, operation, newBindNames, valuesFinal, plainBind);
        }
    };
    return StringUtility.replaceTags(sql, "attribute", processor);
}