westdc-zf1/application/models/ISO19115.php

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<?php
class MD_Resolution
{
public $equScale;
public $scaleDist;
}
class MD_Keywords
{
public $keyword;
public $keyTyp;
public $thesaName;
}
class MD_BrowseGraphic
{
public $bgFileName;
public $bgFileDesc;
public $bgFileType;
}
class MD_Identification
{
public $idCitation;
public $idAbs;
public $idPurp;
public $idCredit;
public $idStatus;
public $idPoc;
public $resMaint;
public $graphOver;
public $dsFormat;
public $descKeys;
public $idSpecUse;
public $resConst;
public $aggrInfo;
public $spatRpType;
public $dataScale;
public $dataLang;
public $dataChar;
public $tpCat;
public $envirDesc;
public $dataExt;
public $suppInfo;
public $SerIdent;
}
class MD_Metadata
{
public $mdFileID;//string
public $mdLang;//conditional, string
public $mdChar; //conditional, class
public $mdParentID;//string
public $mdHrLv;//class array
public $mdHrLvName;//string array
public $mdContact;//class array
public $mdDateSt;//class,数据创建时间
public $mdStanName;//string
public $mdStanVer;//string
public $dataSetUri;//string
public $spatRepInfo;//array association
public $refSysInfo;//array..
public $mdExtInfo;//array..
public $dtaIdInfo;//array...MD_Identification
public $contInfo; //array ..
public $distInfo;//association
public $dqInfo;//array ..
public $porCatInfo;//array..
public $mdConst;//array..
public $appSchInfo;//array..
public $mdMaint;//association
}
/**
* 采用DOM实现需要PHP5
**/
class ISO19115
{
public $mdFileID;
public $mdLang;
public $mdChar;
public $mdDateSt;
public $mdStanName='ISO 19115';
public $mdStanVer='19115:2003';
public $mdContact;
public $uuid;
public $doi='';
/**
* 数据集标题
* 字符串
**/
public $resTitle;
public $resAltTitle;
/**
* 数据集简介
**/
public $idAbs;
public $dataSetURI;
public $bgFileName;
/**
* 数据集序列信息
* 数组
**/
public $datasetSeries;//array
/**
* 类别代码,数组
* 注意在geonetwork中的不是代码而是直接的类别值
**/
public $tpCat;
/**
* 时间信息start & end
* 注意geonetwork中和国家元数据标准的代码不同
* ISO 19115中好像没有看到相关信息
**/
public $timebegin;
public $timeend;
/**
* 空间信息
* 数组形式['w'],s,e,n
**/
public $geoBox;
public $thumbnail;
public $graph;
public $keyword;
private $dom;
public $keytypecode=array(1=>'discipline','place','stratum','temporal','theme');
public $author;
public $error=array();
public $xml;
function __construct()
{
$this->dom = new DOMDocument();
}
/**
* 从文件中读取元数据
**/
function load($file)
{
$this->dom->load($file);
$this->parse();
}
/**
* 从字符串中读取元数据
*/
function loadXML($str)
{
@$this->dom->loadXML($str);
$this->xml=$str;
$this->parse();
}
/**
* 保存元数据到文件file中
*/
function save($file)
{
return $this->dom->save($file);
}
/**
* 根据xml中的node保存为xml
**/
function saveXML($node="")
{
return $this->dom->saveXML($node);
}
/**
* 根据UUID从数据库中提取元数据信息不需要进行parse()操作
**/
function loadUUID($uuid)
{
}
function saveDB($db,$xml='')
{
if (!empty($xml)) $this->loadXML($xml);
//先删除已有元数据,然后再插入新数据
$sql="delete from metadata where uuid=?";
$db->query($sql,array($this->uuid));
//删除所有未用到的responsible数据
$sql="delete from responsible where id not in (select distinct(resid) from role)";
$db->query($sql);
$this->view->config = Zend_Registry::get('config');
//if (!empty($this->doi)) $row->doi=$this->doi;
//生成空白统计数据可以转移到数据库端处理todo
try
{
$sql="insert into mdstat (uuid) values(?)";
$db->query($sql,array($this->uuid));
} catch (Exception $e) {
//do nothing.
//说明数据库中已存在该信息
}
$dbmode=$db->getFetchMode();
$db->setFetchMode(Zend_Db::FETCH_OBJ);
//save metadata into database
try {
if ($this->refDate)
{
$sql="insert into metadata (uuid,title,title_en,description,citation,suppinfo,fileformat,projection,datatype,filesize,ts_created,
timebegin,timeend,west,south,north,east,doi,ts_published) values(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)";
$db->query($sql,array($this->uuid,$this->resTitle,$this->resAltTitle,$this->idAbs,$this->citation,$this->suppinfo,$this->fileformat,
$this->projection,$this->datatype,$this->filesize,$this->mdDateSt,$this->timebegin,$this->timeend,$this->geoBox['w'],
$this->geoBox['s'],$this->geoBox['n'],$this->geoBox['e'],$this->doi,$this->refDate));
} else {
$sql="insert into metadata (uuid,title,title_en,description,citation,suppinfo,fileformat,projection,datatype,filesize,ts_created,
timebegin,timeend,west,south,north,east,doi) values(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)";
$db->query($sql,array($this->uuid,$this->resTitle,$this->resAltTitle,$this->idAbs,$this->citation,$this->suppinfo,$this->fileformat,
$this->projection,$this->datatype,$this->filesize,$this->mdDateSt,$this->timebegin,$this->timeend,$this->geoBox['w'],
$this->geoBox['s'],$this->geoBox['n'],$this->geoBox['e'],$this->doi));
}
$id=$db->lastInsertId('metadata','id');
if (!isset($resource['name'])) $resource['name']='';
if (!isset($resource['description'])) $resource['description']='';
//处理在线资源
if ($this->onlineresource) foreach($this->onlineresource as $resource)
{
$sql="insert into onlineresource (uuid,linkage,protocol,name,description) values(?,?,?,?,?)";
$db->query($sql,array($this->uuid,$resource['linkage'],$resource['protocol'],$resource['name'],$resource['description']));
}
//处理缩略图
if (!empty($this->thumbnail)) {
$sql="insert into thumbnail (id,data,filetype) values(?,?,?)";
$db->query($sql,array($id,$this->thumbnail,'jpg'));
} elseif ($this->graph) {
//$trow->data=$this->graph['data'];
$sql="select id as gid from geonetworkmetadata where uuid=?";
$r=$db->fetchRow($sql,array($this->uuid));
if ($r)
{
if ($this->view->config)
$geonetwork=$this->view->config->geonetwork->url;
else
$geonetwork='http://westdc.westgis.ac.cn/geonetwork/';
$thumb=base64_encode(file_get_contents($geonetwork.'srv/cn/resources.get?access=public&id='.$r->gid.'&fname='.urlencode($this->graph['filename'])));
$sql="insert into thumbnail (id,data,filetype,filedesc,filename) values(?,?,?,?,?)";
$db->query($sql,array($id,$thumb,$this->graph['filetype'],$this->graph['filedesc'],$this->graph['filename']));
}
}
//处理关键词
//1:N relation
foreach($this->keyword as $keytype=>$keys)
{
foreach($keys as $key)
{
$sql="insert into keyword (id,keyword,keytype) values(?,?,?)";
try {
$db->query($sql,array($id,$key,$keytype));
} catch(Exception $e) {
//忽略关键词错误
}
}
}
//处理数据集序列
//M:N relation
if ($this->datasetSeries) foreach($this->datasetSeries as $ds) if (!empty($ds['seriesName']))
{
$sql="select id from series where name=?";
$sth=$db->prepare($sql);
$sth->execute(array($ds['seriesName']));
$trow=$sth->fetch();
if ($trow)
$sid=$trow->id;
else {
$sql="insert into series (name) values(?)";
$db->query($sql,array($ds['seriesName']));
$sid=$db->lastInsertId('series','id');
}
$sql="insert into dataseries (id,sid) values(?,?)";
$db->query($sql,array($id,$sid));
}
//处理数据分类
foreach($this->tpCat as $cat){
if (is_numeric($cat)) {
$sql="insert into category (id,code) values(?,?)";
$db->query($sql,array($id,(int)$cat));
} else {
//是字符串geonetwork会采用这种模式
//从categorycode表中查找其对应的code
$sql="insert into category (id,code) select ?,code from categorycode where name=?";
$db->query($sql,array($id, trim($cat)));
}
}
//处理联系人信息
//先查询再进行处理
//若用户信息发生变化,则存在问题
//无法保证数据的更新状态
foreach($this->author as $au)
{
$inds=explode(";",$au['individual']);
foreach($inds as $ind)
{
$sql="select id from responsible where individual=? and organisation=?";
$row=$db->fetchRow($sql,array(trim($ind),trim($au['organisation'])));
if (!$row)
{
$sql="insert into responsible (individual,organisation,position,delivery,phone,email,city,country,administrative,postal) values(?,?,?,?,?,?,?,?,?,?)";
$db->query($sql,array(trim($ind),trim($au['organisation']),trim($au['position']),trim($au['delivery']),trim($au['phone']),trim($au['email']),trim($au['city']),trim($au['country']),trim($au['administrative']),trim($au['postal'])));
} elseif (count($inds)==1) {
//deal email address
if (($au['email']) && empty($row->email))
{
$sql="update responsible set email=? where id=?";
$db->query($sql,array(trim($au['email']),$row->id));
}
}
$sql="select id from responsible where individual=? and organisation=?";
$row=$db->fetchRow($sql,array(trim($ind),trim($au['organisation'])));
if ($row->id>0)
{
$sql="insert into role (resid,uuid,role) values(?,?,?)";
$db->query($sql,array($row->id,$this->uuid,trim($au['role'])));
}
}
}
//处理数据限制信息
foreach($this->limits as $uselimit)
{
$sql="select id from uselimit where uselimit=?";
$row=$db->fetchRow($sql,array($uselimit));
if (!$row)
{
$sql="insert into uselimit (uselimit) values (?)";
$db->query($sql,array($uselimit));
}
$sql="select id from uselimit where uselimit=?";
$row=$db->fetchRow($sql,array($uselimit));
if ($row)
{
$sql="insert into mdlimit (uuid,lid) values(?,?)";
$db->query($sql,array($this->uuid,$row->id));
}
}
$this->save("../data/import/$this->uuid.xml");
//处理XML入库
if (!empty($xml)) $this->xml=$xml;
$sql="insert into xml (id,data) values(?,?)";
$db->query($sql,array($id,$this->xml));
} catch (Exception $e) {
//数据重复插入,此处忽略所有错误
print $this->uuid.' has error: '.$e->getMessage().'<br />';
}
$db->setFetchMode($dbmode);
}
//检查元数据的错误信息
function validate()
{
//uuid
if (empty($this->uuid)) $this->error[]='错误数据的UUID不能为空';
if (empty($this->resTitle)) $this->error[]='错误:数据标题不能为空!';
if (!is_numeric($this->filesize)) $this->error[]='错误数据的大小传输量必须为数字单位为MB';
//空间范围
if (!is_numeric($this->geoBox['w']) || !is_numeric($this->geoBox['e']) || !is_numeric($this->geoBox['s']) ||!is_numeric($this->geoBox['n']))
$this->error[]='错误:数据的空间范围必须为数字格式的经纬度!';
//时间范围
if (!empty($this->timebegin) && !strtotime($this->timebegin))
$this->error[]='错误:数据的开始时间格式不正确!';
if (!empty($this->timeend) && !strtotime($this->timeend))
$this->error[]='错误:数据的结束时间格式不正确!';
//关键词不能有空白(即使关键词类型不一样)
foreach($this->keyword as $k1=>$keyt)
{
foreach($keyt as $k2=>$keyword)
{
if (empty($keyword)) $this->error[]='错误:数据的关键词不能为空!';
}
}
//联系人必须有email地址
//todo
//建议有缩略图
if (empty($this->graph)) $this->error[]='建议请提供一张能反应或代表数据的图片800像素以上。';
return count($this->error);
}
function parse()
{
$this->resTitle=$this->dom->getElementsByTagName('resTitle')->item(0)->nodeValue;
$this->resAltTitle=$this->dom->getElementsByTagName('resAltTitle')->item(0)->nodeValue;
$this->idAbs=$this->dom->getElementsByTagName('idAbs')->item(0)->nodeValue;
$this->mdFileID=$this->dom->getElementsByTagName('mdFileID')->item(0)->nodeValue;
$this->mdDateSt=$this->dom->getElementsByTagName('mdDateSt')->item(0)->nodeValue;
@$this->dataSetURI=$this->dom->getElementsByTagName('dataSetURI')->item(0)->nodeValue;
//引用说明
@$this->citation=$this->dom->getElementsByTagName('otherCitDet')->item(0)->nodeValue;
//项目支持信息
@$this->suppinfo=$this->dom->getElementsByTagName('suppInfo')->item(0)->nodeValue;
//DOI自定义项
$cittype=$this->dom->getElementsByTagName('citIdType')->item(0)->nodeValue;
if ($cittype=='DOI')
$this->doi=$this->dom->getElementsByTagName('citId')->item(0)->nodeValue;
//数据大小以MB为单位
@$this->filesize=$this->dom->getElementsByTagName('transSize')->item(0)->nodeValue;
//数据格式,可以多个,但此处只用一个?
@$this->fileformat=$this->dom->getElementsByTagName('formatName')->item(0)->nodeValue;
//投影类型,可以多个,但只选一个
@$this->projection=$this->dom->getElementsByTagName('identCode')->item(0)->nodeValue;
//数据限制信息
$limits=$this->dom->getElementsByTagName('useLimit');
foreach($limits as $limit)
{
$this->limits[]=$limit->nodeValue;
}
//数据作者
$authors=$this->dom->getElementsByTagName('citRespParty');
foreach($authors as $k=>$author)
{
$this->author[$k]['individual']=$author->getElementsByTagName('rpIndName')->item(0)->nodeValue;
$this->author[$k]['organisation']=$author->getElementsByTagName('rpOrgName')->item(0)->nodeValue;
$this->author[$k]['position']=$author->getElementsByTagName('rpPosName')->item(0)->nodeValue;
$this->author[$k]['delivery']=$author->getElementsByTagName('delPoint')->item(0)->nodeValue;
$this->author[$k]['phone']=$author->getElementsByTagName('voiceNum')->item(0)->nodeValue;
$this->author[$k]['email']=$author->getElementsByTagName('eMailAdd')->item(0)->nodeValue;
$this->author[$k]['postal']=$author->getElementsByTagName('postCode')->item(0)->nodeValue;
$this->author[$k]['city']=$author->getElementsByTagName('city')->item(0)->nodeValue;
$this->author[$k]['administrative']=$author->getElementsByTagName('adminArea')->item(0)->nodeValue;
$this->author[$k]['country']=$author->getElementsByTagName('country')->item(0)->nodeValue;
@$this->author[$k]['role']=$author->getElementsByTagName('RoleCd')->item(0)->attributes->getNamedItem('value')->nodeValue;
}
$cnt=$k+1;
$authors=$this->dom->getElementsByTagName('mdContact');
foreach($authors as $j=>$author)
{
$this->author[$cnt+$j]['individual']=$author->getElementsByTagName('rpIndName')->item(0)->nodeValue;
$this->author[$cnt+$j]['organisation']=$author->getElementsByTagName('rpOrgName')->item(0)->nodeValue;
$this->author[$cnt+$j]['position']=$author->getElementsByTagName('rpPosName')->item(0)->nodeValue;
$this->author[$cnt+$j]['delivery']=$author->getElementsByTagName('delPoint')->item(0)->nodeValue;
$this->author[$cnt+$j]['phone']=$author->getElementsByTagName('voiceNum')->item(0)->nodeValue;
$this->author[$cnt+$j]['email']=$author->getElementsByTagName('eMailAdd')->item(0)->nodeValue;
$this->author[$cnt+$j]['postal']=$author->getElementsByTagName('postCode')->item(0)->nodeValue;
$this->author[$cnt+$j]['city']=$author->getElementsByTagName('city')->item(0)->nodeValue;
$this->author[$cnt+$j]['administrative']=$author->getElementsByTagName('adminArea')->item(0)->nodeValue;
$this->author[$cnt+$j]['country']=$author->getElementsByTagName('country')->item(0)->nodeValue;
$this->author[$cnt+$j]['role']=$author->getElementsByTagName('RoleCd')->item(0)->attributes->getNamedItem('value')->nodeValue;
}
$cnt+=$j+1;
$authors=$this->dom->getElementsByTagName('distorCont');
foreach($authors as $m=>$author)
{
$this->author[$cnt+$m]['individual']=$author->getElementsByTagName('rpIndName')->item(0)->nodeValue;
$this->author[$cnt+$m]['organisation']=$author->getElementsByTagName('rpOrgName')->item(0)->nodeValue;
$this->author[$cnt+$m]['position']=$author->getElementsByTagName('rpPosName')->item(0)->nodeValue;
$this->author[$cnt+$m]['delivery']=$author->getElementsByTagName('delPoint')->item(0)->nodeValue;
$this->author[$cnt+$m]['phone']=$author->getElementsByTagName('voiceNum')->item(0)->nodeValue;
$this->author[$cnt+$m]['email']=$author->getElementsByTagName('eMailAdd')->item(0)->nodeValue;
$this->author[$cnt+$m]['postal']=$author->getElementsByTagName('postCode')->item(0)->nodeValue;
$this->author[$cnt+$m]['city']=$author->getElementsByTagName('city')->item(0)->nodeValue;
$this->author[$cnt+$m]['administrative']=$author->getElementsByTagName('adminArea')->item(0)->nodeValue;
$this->author[$cnt+$m]['country']=$author->getElementsByTagName('country')->item(0)->nodeValue;
$this->author[$cnt+$m]['role']=$author->getElementsByTagName('RoleCd')->item(0)->attributes->getNamedItem('value')->nodeValue;
}
$cnt+=$m+1;
$authors=$this->dom->getElementsByTagName('idPoC');
foreach($authors as $m=>$author)
{
$this->author[$cnt+$m]['individual']=$author->getElementsByTagName('rpIndName')->item(0)->nodeValue;
$this->author[$cnt+$m]['organisation']=$author->getElementsByTagName('rpOrgName')->item(0)->nodeValue;
$this->author[$cnt+$m]['position']=$author->getElementsByTagName('rpPosName')->item(0)->nodeValue;
$this->author[$cnt+$m]['delivery']=$author->getElementsByTagName('delPoint')->item(0)->nodeValue;
$this->author[$cnt+$m]['phone']=$author->getElementsByTagName('voiceNum')->item(0)->nodeValue;
$this->author[$cnt+$m]['email']=$author->getElementsByTagName('eMailAdd')->item(0)->nodeValue;
$this->author[$cnt+$m]['postal']=$author->getElementsByTagName('postCode')->item(0)->nodeValue;
$this->author[$cnt+$m]['city']=$author->getElementsByTagName('city')->item(0)->nodeValue;
$this->author[$cnt+$m]['administrative']=$author->getElementsByTagName('adminArea')->item(0)->nodeValue;
$this->author[$cnt+$m]['country']=$author->getElementsByTagName('country')->item(0)->nodeValue;
$this->author[$cnt+$m]['role']=$author->getElementsByTagName('RoleCd')->item(0)->attributes->getNamedItem('value')->nodeValue;
}
/*
foreach($authors as $author)
{
if($author->getElementsByTagName('rpIndName')->item(0) &&
$author->getElementsByTagName('RoleCd')->item(0) &&
$author->getElementsByTagName('RoleCd')->item(0)->hasAttributes() &&
$author->getElementsByTagName('RoleCd')->item(0)->attributes->getNamedItem('value')->nodeValue=="author")
{
$this->author=$author->getElementsByTagName('rpIndName')->item(0)->nodeValue;
break;
}elseif ($author->getElementsByTagName('rpIndName')->item(0) &&
$author->getElementsByTagName('RoleCd')->item(0) &&
$author->getElementsByTagName('RoleCd')->item(0)->hasAttributes() &&
$author->getElementsByTagName('RoleCd')->item(0)->attributes->getNamedItem('value')->nodeValue=="originator" )
{
$this->author=$author->getElementsByTagName('rpIndName')->item(0)->nodeValue;
break;
}elseif ($author->getElementsByTagName('rpIndName')->item(0) &&
$author->getElementsByTagName('RoleCd')->item(0) &&
$author->getElementsByTagName('RoleCd')->item(0)->hasAttributes() &&
$author->getElementsByTagName('RoleCd')->item(0)->attributes->getNamedItem('value')->nodeValue=="owner" )
{
$this->author=$author->getElementsByTagName('rpIndName')->item(0)->nodeValue;
break;
}elseif ($author->getElementsByTagName('rpIndName')->item(0) &&
$author->getElementsByTagName('RoleCd')->item(0) &&
$author->getElementsByTagName('RoleCd')->item(0)->hasAttributes() &&
$author->getElementsByTagName('RoleCd')->item(0)->attributes->getNamedItem('value')->nodeValue=="processor" )
{
$this->author=$author->getElementsByTagName('rpIndName')->item(0)->nodeValue;
break;
}elseif ($author->getElementsByTagName('rpIndName')->item(0) &&
$author->getElementsByTagName('RoleCd')->item(0) &&
$author->getElementsByTagName('RoleCd')->item(0)->hasAttributes() &&
$author->getElementsByTagName('RoleCd')->item(0)->attributes->getNamedItem('value')->nodeValue=="publisher" )
{
$this->author=$author->getElementsByTagName('rpIndName')->item(0)->nodeValue;
break;
}elseif ($author->getElementsByTagName('rpIndName')->item(0) &&
$author->getElementsByTagName('RoleCd')->item(0) &&
$author->getElementsByTagName('RoleCd')->item(0)->hasAttributes() &&
$author->getElementsByTagName('RoleCd')->item(0)->attributes->getNamedItem('value')->nodeValue=="resourceProvider" )
{
$this->author=$author->getElementsByTagName('rpIndName')->item(0)->nodeValue;
break;
}
}
*/
//数据类型,在线或离线
$this->datatype=0;
$onlinesrc=$this->dom->getElementsByTagName('onLineSrc');
foreach($onlinesrc as $k=>$src)
{
if ($src->getElementsByTagName('OnFunctCd')->item(0)
&& $src->getElementsByTagName('OnFunctCd')->item(0)->hasAttributes()
&& $src->getElementsByTagName('OnFunctCd')->item(0)->attributes->getNamedItem('value')->nodeValue=="offlineAccess")
$this->datatype=1;
{
//在线资源
$this->onlineresource[$k]['linkage']=$src->getElementsByTagName('linkage')->item(0)->nodeValue;
if ($src->getElementsByTagName('protocol')->item(0)) $this->onlineresource[$k]['protocol']=$src->getElementsByTagName('protocol')->item(0)->nodeValue;
if ($src->getElementsByTagName('orName')->item(0)) $this->onlineresource[$k]['name']=$src->getElementsByTagName('orName')->item(0)->nodeValue;
$this->onlineresource[$k]['description']=$src->getElementsByTagName('orDesc')->item(0)->nodeValue;
}
}
$cats=$this->dom->getElementsByTagName('tpCat');
foreach($cats as $cat)
{
if ($cat->getElementsByTagName('TopicCatCd')->item(0)->hasAttributes())
$this->tpCat[]=$cat->getElementsByTagName('TopicCatCd')->item(0)->attributes->getNamedItem('value')->nodeValue;
}
@$this->bgFileName=$this->dom->getElementsByTagName('bgFileName')->item(0)->nodeValue;
$keywords=$this->dom->getElementsByTagName('descKeys');//Keywords? which one?
foreach($keywords as $keys)
{
if ($keys->getElementsByTagName('KeyTypCd')->item(0) && $keys->getElementsByTagName('KeyTypCd')->item(0)->hasAttributes())
$k=$keys->getElementsByTagName('KeyTypCd')->item(0)->attributes->getNamedItem('value')->nodeValue;
if (is_numeric($k))
$kt=$this->keytypecode[(int)$k];
else
$kt=$k;
//如果没有找到类别,则默认为主题关键词
if (!$kt) $kt=$this->keytypecode[5];
$ks=$keys->getElementsByTagName('keyword');
foreach($ks as $key)
{
//处理特殊情况:多关键词输入在一起,用一些符号来分割,如分号等。
$pos=strpos($key->nodeValue,';');
if ($pos===false)
$this->keyword[$kt][]=$key->nodeValue;
else {
$str=explode(';',$key->nodeValue);
foreach($str as $s){
$this->keyword[$kt][]=$s;
}
}
}
}
//resRefDate
$refdates=$this->dom->getElementsByTagName('resRefDate');
foreach($refdates as $refdate)
{
if ($refdate->getElementsByTagName('DateTypCd')->item(0) && $refdate->getElementsByTagName('DateTypCd')->item(0)->hasAttributes() && $refdate->getElementsByTagName('DateTypCd')->item(0)->attributes->getNamedItem('value')->nodeValue=="publication")
{
$this->refDate=$refdate->getElementsByTagName('refDate')->item(0)->nodeValue;
}
}
//in ISO 19115 draft.
$ds=$this->dom->getElementsByTagName('datasetSeries');
foreach($ds as $k=>$dataset)
{
$this->datasetSeries[$k]['seriesName']=$dataset->getElementsByTagName('seriesName')->item(0)->nodeValue;
$this->datasetSeries[$k]['issId']=$dataset->getElementsByTagName('issId')->item(0)->nodeValue;
$this->datasetSeries[$k]['artPage']=$dataset->getElementsByTagName('artPage')->item(0)->nodeValue;
}
//unsure which one.
$ds=$this->dom->getElementsByTagName('Series');
foreach($ds as $k=>$dataset)
{
$this->datasetSeries[$k]['seriesName']=$dataset->getElementsByTagName('Name')->item(0)->nodeValue;
$this->datasetSeries[$k]['issId']=$dataset->getElementsByTagName('issId')->item(0)->nodeValue;
$this->datasetSeries[$k]['artPage']=$dataset->getElementsByTagName('artPage')->item(0)->nodeValue;
}
//可能只适用于ESRI ARCCATELOG产生的元数据
$extent=$this->dom->getElementsByTagName('geoBox');
foreach($extent as $geo)
{
$this->geoBox['w']=$geo->getElementsByTagName('westBL')->item(0)->nodeValue;
$this->geoBox['s']=$geo->getElementsByTagName('southBL')->item(0)->nodeValue;
$this->geoBox['e']=$geo->getElementsByTagName('eastBL')->item(0)->nodeValue;
$this->geoBox['n']=$geo->getElementsByTagName('northBL')->item(0)->nodeValue;
}
//提取ESRI格式中的UUID
if (empty($this->uuid))
{
@$this->uuid=$this->dom->getElementsByTagName('MetaID')->item(0)->nodeValue;
//剔除前后大括号
$this->uuid=trim($this->uuid,'{');
$this->uuid=trim($this->uuid,'}');
}
//根据mdFileID来判断uuid
//如果mdFileID为uuid的组织形式则进行提取
if (strlen(trim($this->mdFileID))==36 && empty($this->uuid))
$this->uuid=trim($this->mdFileID);
//仍然没有UUID信息则创建一个
if (empty($this->uuid))
{
$this->uuid=new uuid();
$this->uuid=$this->uuid->toString();
//反馈回XML文件
$mdfile=$this->dom->getElementsByTagName('mdFileID');
if ($mdfile->length>0) {
$this->dom->getElementsByTagName('mdFileID')->item(0)->nodeValue=$this->uuid;
} else {
$mdfile=$this->dom->createElement('mdFileID', $this->uuid);
$this->dom->getElementsByTagName('Metadata')->item(0)->appendChild($mdfile);
}
}
//提取时间信息
$tm_period=$this->dom->getElementsByTagName('TM_Period');
foreach($tm_period as $period)
{
$this->timebegin=$period->getElementsByTagName('begin')->item(0)->nodeValue;
$this->timeend=$period->getElementsByTagName('end')->item(0)->nodeValue;
}
$tm_day=$this->dom->getElementsByTagName('TM_CalDate');
foreach($tm_day as $day)
{
$this->timebegin=$day->getElementsByTagName('calDate')->item(0)->nodeValue;
}
//Todo:处理缩略图,限制为一个。
//$thumb=$this->dom->getElementsByTagName('Thumbnail');
$xpath = new DOMXPath($this->dom);
$query = '//metadata/Binary/Thumbnail/Data';//should be Metadata
$entries = $xpath->query($query);
if ($entries->length>0)
$this->thumbnail=$entries->item(0)->nodeValue;
else {
$query='//Metadata/Binary/Thumbnail/Data';
$entries=$xpath->query($query);
@$this->thumbnail=$entries->item(0)->nodeValue;
}
//如果是从GEONETWORK获取判断是否已有缩略图获取最小的缩略图
$graphs=$this->dom->getElementsByTagName('graphOver');
foreach ($graphs as $g)
{
if ($g->getElementsByTagName('bgFileDesc')->item(0)->nodeValue=='thumbnail') {
$this->graph['filename']=$g->getElementsByTagName('bgFileName')->item(0)->nodeValue;
$this->graph['filedesc']='thumbnail';
$this->graph['filetype']=$g->getElementsByTagName('bgFileType')->item(0)->nodeValue;
}
}
}
}
?>