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package javax.ws.rs.core;

import java.util.LinkedHashMap;
import java.util.List;

/**
 * Represents the the HTML form data request entity encoded using the
 * {@code "application/x-www-form-urlencoded"} content type.
 *
 * @author Marek Potociar
 * @since 2.0
 */
public class Form {
    private final MultivaluedMap parameters;

    /**
     * Create a new form data instance.
     * 

* The underlying form parameter store is configured to preserve the insertion order * of the parameters. I.e. parameters can be iterated in the same order as they were * inserted into the {@code Form}. *

*/ public Form() { this(new AbstractMultivaluedMap(new LinkedHashMap>()) { // by default, the items in a Form are iterable based on their insertion order. }); } /** * Create a new form data instance with a single parameter entry. *

* The underlying form parameter store is configured to preserve the insertion order * of the parameters. I.e. parameters can be iterated in the same order as they were * inserted into the {@code Form}. *

* * @param parameterName form parameter name. * @param parameterValue form parameter value. */ public Form(final String parameterName, final String parameterValue) { this(); parameters.add(parameterName, parameterValue); } /** * Create a new form data instance and register a custom underlying parameter store. *

* This method is useful in situations when a custom parameter store is needed * in order to change the default parameter iteration order, improve performance * or facilitate other custom requirements placed on the parameter store. *

* * @param store form data store used by the created form instance. */ public Form(final MultivaluedMap store) { this.parameters = store; } /** * Adds a new value to the specified form parameter. * * @param name name of the parameter. * @param value new parameter value to be added. * @return updated {@code Form} instance. */ public Form param(final String name, final String value) { parameters.add(name, value); return this; } /** * Returns multivalued map representation of the form. * * @return form represented as multivalued map. * @see MultivaluedMap */ public MultivaluedMap asMap() { return parameters; } }




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