io.relayr.java.model.models.schema.StringSchema Maven / Gradle / Ivy

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package io.relayr.java.model.models.schema;

public class StringSchema extends ValueSchema {

    public StringSchema(ValueSchema schema) {
        super(schema);

        maxLength = schema.maxLength;
        minLength = schema.minLength;
        pattern = schema.pattern;
    }

    /** If defined this integer MUST be greater than, or equal to, 0. */
    public Integer getMaxLength() {
        return maxLength;
    }

    /** If defined this integer MUST be greater than, or equal to, 0. */
    public Integer getMinLength() {
        return minLength;
    }

    /** @return valid regular expression, according to the ECMA 262 regular expression dialect. */
    public String getPattern() {
        return pattern;
    }

    /** @return true if there are any possible values for the field. */
    public boolean hasValues() {
        return enums != null && !enums.isEmpty();
    }

    @Override public boolean validate(Object value) {
        if (value == null && hasValues() && !getEnums().contains(null)) return false;
        if (!validateNull(value)) return false;
        if (value instanceof String) {
            String stringValue = (String) value;

            if (minLength != null)
                if (stringValue.length() < minLength) return false;
            if (maxLength != null)
                if (stringValue.length() > maxLength) return false;

            if (pattern != null)
                if (!stringValue.matches(pattern)) return false;

            if (hasValues()) {
                boolean found = false;
                for (Object item : getEnums())
                    if (item instanceof String)
                        if (stringValue.equals(item)) {
                            found = true;
                            break;
                        }
                if (!found) return false;
            }

            return true;
        } else {
            if (hasValues()) return getEnums().contains(null);
            else return true;
        }
    }
}