Java 新的生态，更小、更快、更简单

package org.noear.solon.web.servlet; import org.noear.solon.Utils; import org.noear.solon.boot.web.Constants; import org.noear.solon.boot.web.WebContextBase; import org.noear.solon.boot.web.RedirectUtils; import org.noear.solon.core.NvMap; import org.noear.solon.core.handle.ContextAsyncListener; import org.noear.solon.core.handle.UploadedFile; import org.noear.solon.core.util.IgnoreCaseMap; import org.noear.solon.core.util.IoUtil; import jakarta.servlet.AsyncContext; import jakarta.servlet.ServletException; import jakarta.servlet.http.Cookie; import jakarta.servlet.http.HttpServletRequest; import jakarta.servlet.http.HttpServletResponse; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.net.URI; import java.nio.charset.Charset; import java.util.*; /** * Servlet，适配为 Context * * @author noear * @since 1.2 * */ public class SolonServletContext extends WebContextBase { private HttpServletRequest _request; private HttpServletResponse _response; protected Map<String, List<UploadedFile>> _fileMap; protected boolean innerIsAsync() { return asyncContext != null; } public SolonServletContext(HttpServletRequest request, HttpServletResponse response) { _request = request; _response = response; _fileMap = new HashMap<>(); if (sessionState().replaceable()) { sessionState = new SolonServletSessionState(request); } } private boolean _loadMultipartFormData = false; private void loadMultipartFormData() throws IOException, ServletException { if (_loadMultipartFormData) { return; } else { _loadMultipartFormData = true; } //文件上传需要 if (isMultipartFormData()) { MultipartUtil.buildParamsAndFiles(this); } } @Override public Object request() { return _request; } @Override public String remoteIp() { return _request.getRemoteAddr(); } @Override public int remotePort() { return _request.getRemotePort(); } @Override public String method() { return _request.getMethod(); } @Override public String protocol() { return _request.getProtocol(); } private URI _uri; @Override public URI uri() { if (_uri == null) { _uri = URI.create(url()); } return _uri; } @Override public boolean isSecure() { return _request.isSecure(); } private String _url; @Override public String url() { if (_url == null) { _url = _request.getRequestURL().toString(); } return _url; } @Override public long contentLength() { return _request.getContentLengthLong(); } @Override public String contentType() { return _request.getContentType(); } @Override public String queryString() { return _request.getQueryString(); } @Override public InputStream bodyAsStream() throws IOException { return _request.getInputStream(); } private NvMap _paramMap; @Override public NvMap paramMap() { if (_paramMap == null) { _paramMap = new NvMap(); try { if (autoMultipart()) { loadMultipartFormData(); } Enumeration<String> names = _request.getParameterNames(); while (names.hasMoreElements()) { String name = names.nextElement(); String value = _request.getParameter(name); _paramMap.put(name, value); } } catch (IOException | ServletException e) { throw new IllegalStateException(e); } } return _paramMap; } private Map<String, List<String>> _paramsMap; @Override public Map<String, List<String>> paramsMap() { if (_paramsMap == null) { _paramsMap = new LinkedHashMap<>(); try { if (autoMultipart()) { loadMultipartFormData(); } _request.getParameterMap().forEach((k, v) -> { _paramsMap.put(k, Utils.asList(v)); }); } catch (IOException | ServletException e) { throw new IllegalStateException(e); } } return _paramsMap; } @Override public Map<String, List<UploadedFile>> filesMap() throws IOException { if (isMultipartFormData()) { try { loadMultipartFormData(); } catch (ServletException e) { throw new IOException(e); } return _fileMap; } else { return Collections.emptyMap(); } } private NvMap _cookieMap; @Override public NvMap cookieMap() { if (_cookieMap == null) { _cookieMap = new NvMap(); Cookie[] _cookies = _request.getCookies(); if (_cookies != null) { for (Cookie c : _cookies) { _cookieMap.put(c.getName(), c.getValue()); } } } return _cookieMap; } @Override public NvMap headerMap() { if (_headerMap == null) { _headerMap = new NvMap(); Enumeration<String> headers = _request.getHeaderNames(); while (headers.hasMoreElements()) { String key = headers.nextElement(); String value = _request.getHeader(key); _headerMap.put(key, value); } } return _headerMap; } private NvMap _headerMap; @Override public Map<String, List<String>> headersMap() { if (_headersMap == null) { _headersMap = new IgnoreCaseMap<>(); Enumeration<String> headers = _request.getHeaderNames(); while (headers.hasMoreElements()) { String key = headers.nextElement(); _headersMap.put(key, Collections.list(_request.getHeaders(key))); } } return _headersMap; } private Map<String, List<String>> _headersMap; //==================================== @Override public Object response() { return _response; } @Override public void charset(String charset) { _response.setCharacterEncoding(charset); this.charset = Charset.forName(charset); } @Override protected void contentTypeDoSet(String contentType) { _response.setContentType(contentType); } @Override public OutputStream outputStream() throws IOException { sendHeaders(); return _response.getOutputStream(); } @Override public void output(byte[] bytes) { try { OutputStream out = outputStream(); out.write(bytes); } catch (Throwable ex) { throw new RuntimeException(ex); } } @Override public void output(InputStream stream) { try { OutputStream out = outputStream(); IoUtil.transferTo(stream, out); } catch (Throwable ex) { throw new RuntimeException(ex); } } @Override public void headerSet(String key, String val) { _response.setHeader(key, val); } @Override public void headerAdd(String key, String val) { _response.addHeader(key, val); } @Override public String headerOfResponse(String name) { return _response.getHeader(name); } @Override public void cookieSet(String key, String val, String domain, String path, int maxAge) { Cookie c = new Cookie(key, val); if (Utils.isNotEmpty(path)) { c.setPath(path); } if (maxAge >=