/*
* Copyright (c) 2002-2012 Alibaba Group Holding Limited.
* All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.alibaba.citrus.service.form.impl;
import static com.alibaba.citrus.service.requestcontext.util.RequestContextUtil.*;
import static com.alibaba.citrus.util.CollectionUtil.*;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import com.alibaba.citrus.service.requestcontext.parser.ParserRequestContext;
import com.alibaba.citrus.util.ToStringBuilder;
final class FormParameters {
private final Map<String, FormParameter> params = createLinkedHashMap();
private final HttpServletRequest request;
private final ParserRequestContext prc;
public FormParameters(HttpServletRequest request) {
this.request = request;
this.prc = findRequestContext(request, ParserRequestContext.class);
}
public void addFormParameter(FormParameter param) {
params.put(param.normalizedKey, param);
}
public FormParameter getFormParameter(String normalizedKey) {
return params.get(normalizedKey);
}
public Object[] getValues(String normalizedKey) {
FormParameter param = params.get(normalizedKey);
if (param == null) {
return null;
} else if (prc != null) {
// 假如配置了ParserRequestContext，则取得objects，以便支持FileItem，否则只支持字符串值。
return prc.getParameters().getObjects(param.originalKey);
} else {
return request.getParameterValues(param.originalKey);
}
}
public String getStringValue(String normalizedKey) {
FormParameter param = params.get(normalizedKey);
if (param == null) {
return null;
} else if (prc != null) {
// 假如配置了ParserRequestContext，则取得objects，以便支持FileItem，否则只支持字符串值。
return prc.getParameters().getString(param.originalKey);
} else {
return request.getParameter(param.originalKey);
}
}
@Override
public String toString() {
return new ToStringBuilder().append("FormParameters").append(params.values()).toString();
}
/** 代表一个表单参数的信息。 */
final static class FormParameter {
public final String groupKey;
public final String fieldKey;
public final String instanceKey;
public final String additionalInfo;
public final String originalKey;
public final String normalizedKey;
FormParameter(String groupKey, String fieldKey, String instanceKey, String additionalInfo, String originalKey,
String normalizedKey) {
this.groupKey = groupKey;
this.fieldKey = fieldKey;
this.instanceKey = instanceKey;
this.additionalInfo = additionalInfo;
this.originalKey = originalKey;
this.normalizedKey = normalizedKey;
}
@Override
public String toString() {
return normalizedKey;
}
}
}