/*
XOWA: the XOWA Offline Wiki Application
Copyright (C) 2012 gnosygnu@gmail.com

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
package gplx.ios; import gplx.*;
public class IoEngine_xrg_downloadFil {
	public String Src() {return src;} public IoEngine_xrg_downloadFil Src_(String v) {src = v; return this;} private String src;
	public Io_url Trg() {return trg;} public IoEngine_xrg_downloadFil Trg_(Io_url v) {trg = v; return this;} Io_url trg;
	public byte Rslt() {return rslt;} public IoEngine_xrg_downloadFil Rslt_(byte v) {rslt = v; return this;} private byte rslt = Rslt_pass;
	public Exception Rslt_err() {return rslt_err;} public IoEngine_xrg_downloadFil Rslt_err_(Exception v) {rslt_err = v; return this;} Exception rslt_err;
	public String Rslt_err_str() {
		return rslt_err == null ? "none" : Err_.Message_gplx_brief(rslt_err);
	}
	public String User_agent() {return user_agent;} public IoEngine_xrg_downloadFil User_agent_(String v) {user_agent = v; return this;} private String user_agent;
	public Gfo_usr_dlg Prog_dlg() {return prog_dlg;} public IoEngine_xrg_downloadFil Prog_dlg_(Gfo_usr_dlg v) {prog_dlg = v; download_fmt.Ctor(prog_dlg); return this;} Gfo_usr_dlg prog_dlg;
	public Bry_fmtr Prog_fmtr() {return prog_fmtr;} Bry_fmtr prog_fmtr = Bry_fmtr.new_("~{download_header}: ~{download_read} of ~{download_length} kb;", "download_header", "download_url", "download_read", "download_length");
	public String Prog_fmt_hdr() {return prog_fmt_hdr;} public IoEngine_xrg_downloadFil Prog_fmt_hdr_(String v) {prog_fmt_hdr = v; return this;} private String prog_fmt_hdr = "";	// NOTE: must init to "", else null ref when building String
	public boolean Prog_cancel() {return prog_cancel;} public IoEngine_xrg_downloadFil Prog_cancel_y_() {prog_cancel = true; return this;} volatile boolean prog_cancel;
	public boolean Prog_running() {return prog_running;} public IoEngine_xrg_downloadFil Prog_running_(boolean v) {prog_running = v; return this;} private boolean prog_running;
	public long Src_content_length() {return src_content_length;} public IoEngine_xrg_downloadFil Src_content_length_(long v) {src_content_length = v; return this;} long src_content_length;
	public DateAdp Src_last_modified() {return src_last_modified;} public IoEngine_xrg_downloadFil Src_last_modified_(DateAdp v) {src_last_modified = v; return this;} DateAdp src_last_modified;
	public boolean Src_last_modified_query() {return src_last_modified_query;} public IoEngine_xrg_downloadFil Src_last_modified_query_(boolean v) {src_last_modified_query = v; return this;} private boolean src_last_modified_query;
	public String Trg_engine_key() {return trg_engine_key;} public IoEngine_xrg_downloadFil Trg_engine_key_(String v) {trg_engine_key = v; return this;} private String trg_engine_key = IoEngine_.SysKey;
	public Io_download_fmt Download_fmt() {return download_fmt;} Io_download_fmt download_fmt = new Io_download_fmt();
	public boolean Exec() {return IoEnginePool._.Fetch(trg.Info().EngineKey()).DownloadFil(this);}
	public Io_stream_rdr Exec_as_rdr() {return IoEnginePool._.Fetch(IoEngine_.SysKey).DownloadFil_as_rdr(this);}
	public boolean Exec_meta_only() {return exec_meta_only;} private boolean exec_meta_only;
	public byte[] Exec_as_bry(String src) {
		this.Src_(src); this.Trg_(trg_mem);
		download_fmt.Init(src, prog_fmt_hdr);	// NOTE: must set src else NULL error
		boolean pass = IoEnginePool._.Fetch(trg_engine_key).DownloadFil(this);
		return pass ? Io_mgr._.LoadFilBry(trg_mem) : null;
	}	Io_url trg_mem = Io_url_.mem_fil_("mem/download.tmp");
	public boolean Exec_meta(String src) {
		this.Src_(src); this.Trg_(trg_mem);	// NOTE: set Trg_ else error in download proc
		download_fmt.Init(src, prog_fmt_hdr);	// NOTE: must set src else NULL error
		exec_meta_only = true;
		boolean rv = IoEnginePool._.Fetch(trg_engine_key).DownloadFil(this);
		exec_meta_only = false;
		return rv;
	}
	public void Init(String src, Io_url trg) {
		this.src = src; this.trg = trg;
		prog_cancel = false;
		rslt_err = null;
		rslt = Rslt_pass;
		prog_running = true;
		download_fmt.Init(src, "downloading ~{src_name}: ~{prog_left} left (@ ~{prog_rate}); ~{prog_done} of ~{src_len} (~{prog_pct}%)");
	}
	public static IoEngine_xrg_downloadFil new_(String src, Io_url trg) {
		IoEngine_xrg_downloadFil rv = new IoEngine_xrg_downloadFil();
		rv.src = src; rv.trg = trg;
		return rv;
	}	IoEngine_xrg_downloadFil() {}
	public static final byte Rslt_pass = 0, Rslt_fail_host_not_found = 1, Rslt_fail_file_not_found = 2, Rslt_fail_unknown = 3;
}
