X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fio%2FFileParse.java;h=4526eba1eb7e054094dabad5e55bf7c4ba98062f;hb=17e77c3f2949a0729322b4a8d907f3f34b6a9914;hp=b52fdfb54aafad2df115fc1c1bc5da9f887e36b7;hpb=b2f9a8d7bce642ff4011bc6d49e02bb0569fbb11;p=jalview.git diff --git a/src/jalview/io/FileParse.java b/src/jalview/io/FileParse.java index b52fdfb..4526eba 100755 --- a/src/jalview/io/FileParse.java +++ b/src/jalview/io/FileParse.java @@ -1,25 +1,41 @@ /* - * Jalview - A Sequence Alignment Editor and Viewer (Version 2.8.1) - * Copyright (C) 2014 The Jalview Authors + * Jalview - A Sequence Alignment Editor and Viewer (Version 2.9) + * Copyright (C) 2015 The Jalview Authors * * This file is part of Jalview. * * Jalview is free software: you can redistribute it and/or * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. + * as published by the Free Software Foundation, either version 3 + * of the License, or (at your option) any later version. * * Jalview 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 General Public License for more details. * - * You should have received a copy of the GNU General Public License along with Jalview. If not, see . + * You should have received a copy of the GNU General Public License + * along with Jalview. If not, see . * The Jalview Authors are detailed in the 'AUTHORS' file. */ package jalview.io; -import java.io.*; -import java.net.*; +import jalview.api.AlignExportSettingI; +import jalview.api.AlignViewportI; +import jalview.api.AlignmentViewPanel; +import jalview.util.MessageManager; + +import java.io.BufferedReader; +import java.io.File; +import java.io.FileInputStream; +import java.io.FileReader; +import java.io.IOException; +import java.io.InputStream; +import java.io.InputStreamReader; +import java.io.Reader; +import java.io.StringReader; +import java.net.MalformedURLException; +import java.net.URL; import java.util.zip.GZIPInputStream; /** @@ -35,10 +51,26 @@ public class FileParse public File inFile = null; - public int index = 1; // sequence counter for FileParse object created from + /** + * a viewport associated with the current file operation. May be null. May + * move to different object. + */ + private AlignViewportI viewport; + + /** + * specific settings for exporting data from the current context + */ + private AlignExportSettingI exportSettings; - // same data source + /** + * sequence counter for FileParse object created from same data source + */ + public int index = 1; + /** + * separator for extracting specific 'frame' of a datasource for formats that + * support multiple records (e.g. BLC, Stockholm, etc) + */ protected char suffixSeparator = '#'; /** @@ -66,7 +98,7 @@ public class FileParse protected BufferedReader dataIn = null; - protected String errormessage = "UNITIALISED SOURCE"; + protected String errormessage = "UNINITIALISED SOURCE"; protected boolean error = true; @@ -93,10 +125,13 @@ public class FileParse if (from == null) { throw new Error( - "Implementation error. Null FileParse in copy constructor"); + MessageManager + .getString("error.implementation_error_null_fileparse")); } if (from == this) + { return; + } index = ++from.index; inFile = from.inFile; suffixSeparator = from.suffixSeparator; @@ -154,49 +189,62 @@ public class FileParse { warningMessage = "Failed to resolve as a GZ stream (" + x.getMessage() + ")"; - x.printStackTrace(); + // x.printStackTrace(); } ; } - + dataIn = new BufferedReader(new FileReader(fileStr)); dataName = fileStr; } return error; } - private BufferedReader tryAsGzipSource(InputStream inputStream) throws Exception + + private BufferedReader tryAsGzipSource(InputStream inputStream) + throws Exception { - BufferedReader inData = new BufferedReader(new InputStreamReader(new GZIPInputStream(inputStream))); + BufferedReader inData = new BufferedReader(new InputStreamReader( + new GZIPInputStream(inputStream))); inData.mark(2048); inData.read(); inData.reset(); return inData; } + private boolean checkURLSource(String fileStr) throws IOException, MalformedURLException { errormessage = "URL NOT FOUND"; URL url = new URL(fileStr); // - // GZIPInputStream code borrowed from Aquaria (soon to be open sourced) via Kenny Sabir - Exception e=null; - if (fileStr.toLowerCase().endsWith(".gz")) { - try { - InputStream inputStream = url.openStream(); - dataIn = tryAsGzipSource(inputStream); - dataName = fileStr; - return false; - } catch (Exception ex) { - e=ex; + // GZIPInputStream code borrowed from Aquaria (soon to be open sourced) via + // Kenny Sabir + Exception e = null; + if (fileStr.toLowerCase().endsWith(".gz")) + { + try + { + InputStream inputStream = url.openStream(); + dataIn = tryAsGzipSource(inputStream); + dataName = fileStr; + return false; + } catch (Exception ex) + { + e = ex; } } - try { + try + { dataIn = new BufferedReader(new InputStreamReader(url.openStream())); - } catch (IOException q) { - if (e!=null) + } catch (IOException q) + { + if (e != null) { - throw new IOException("Failed to resolve GZIP stream", e); + throw new IOException( + MessageManager + .getString("exception.failed_to_resolve_gzip_stream"), + e); } throw q; } @@ -251,14 +299,17 @@ public class FileParse { if (checkFileSource(suffixLess)) { - throw new IOException("Problem opening " + inFile - + " (also tried " + suffixLess + ") : " + errormessage); + throw new IOException(MessageManager.formatMessage( + "exception.problem_opening_file_also_tried", + new String[] { inFile.getName(), suffixLess, + errormessage })); } } else { - throw new IOException("Problem opening " + inFile + " : " - + errormessage); + throw new IOException(MessageManager.formatMessage( + "exception.problem_opening_file", + new String[] { inFile.getName(), errormessage })); } } } @@ -270,7 +321,9 @@ public class FileParse { checkURLSource(fileStr); if (suffixSeparator == '#') + { extractSuffix(fileStr); // URL lref is stored for later reference. + } } catch (IOException e) { String suffixLess = extractSuffix(fileStr); @@ -312,7 +365,9 @@ public class FileParse { String suffixLess = extractSuffix(fileStr); if (suffixLess != null) + { is = getClass().getResourceAsStream("/" + suffixLess); + } } if (is != null) { @@ -333,8 +388,9 @@ public class FileParse if (dataIn == null || error) { // pass up the reason why we have no source to read from - throw new IOException("Failed to read data from source:\n" - + errormessage); + throw new IOException(MessageManager.formatMessage( + "exception.failed_to_read_data_from_source", + new String[] { errormessage })); } error = false; dataIn.mark(READAHEAD_LIMIT); @@ -354,17 +410,35 @@ public class FileParse } else { - throw new IOException("Unitialised Source Stream"); + throw new IOException( + MessageManager.getString("exception.no_init_source_stream")); } } public String nextLine() throws IOException { if (!error) + { return dataIn.readLine(); - throw new IOException("Invalid Source Stream:" + errormessage); + } + throw new IOException(MessageManager.formatMessage( + "exception.invalid_source_stream", + new String[] { errormessage })); } + /** + * + * @return true if this FileParse is configured for Export only + */ + public boolean isExporting() + { + return !error && dataIn == null; + } + + /** + * + * @return true if the data source is valid + */ public boolean isValid() { return !error; @@ -395,7 +469,8 @@ public class FileParse else { throw new IOException( - "Implementation Error: Reset called for invalid source."); + MessageManager + .getString("error.implementation_error_reset_called_for_invalid_source")); } } @@ -462,4 +537,48 @@ public class FileParse } return null; } + + public AlignViewportI getViewport() + { + return viewport; + } + + public void setViewport(AlignViewportI viewport) + { + this.viewport = viewport; + } + + /** + * @return the currently configured exportSettings for writing data. + */ + public AlignExportSettingI getExportSettings() + { + return exportSettings; + } + + /** + * Set configuration for export of data. + * + * @param exportSettings + * the exportSettings to set + */ + public void setExportSettings(AlignExportSettingI exportSettings) + { + this.exportSettings = exportSettings; + } + + /** + * method overridden by complex file exporter/importers which support + * exporting visualisation and layout settings for a view + * + * @param avpanel + */ + public void configureForView(AlignmentViewPanel avpanel) + { + if (avpanel != null) + { + setViewport(avpanel.getAlignViewport()); + } + // could also set export/import settings + } }