yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/YangStatementSourceImpl.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.yangtools.yang.parser.stmt.rfc6020;
  10
  11 import com.google.common.base.Throwables;
  12 import java.io.File;
  13 import java.io.IOException;
  14 import java.io.InputStream;
  15 import java.net.URISyntaxException;
  16 import org.antlr.v4.runtime.tree.ParseTreeWalker;
  17 import org.opendaylight.yangtools.antlrv4.code.gen.YangStatementParser.StatementContext;
  18 import org.opendaylight.yangtools.yang.common.YangVersion;
  19 import org.opendaylight.yangtools.yang.model.parser.api.YangSyntaxErrorException;
  20 import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
  21 import org.opendaylight.yangtools.yang.parser.impl.YangStatementParserListenerImpl;
  22 import org.opendaylight.yangtools.yang.parser.rfc6020.repo.YangStatementStreamSource;
  23 import org.opendaylight.yangtools.yang.parser.spi.source.PrefixToModule;
  24 import org.opendaylight.yangtools.yang.parser.spi.source.QNameToStatementDefinition;
  25 import org.opendaylight.yangtools.yang.parser.spi.source.StatementStreamSource;
  26 import org.opendaylight.yangtools.yang.parser.spi.source.StatementWriter;
  27 import org.opendaylight.yangtools.yang.parser.util.NamedFileInputStream;
  28 import org.opendaylight.yangtools.yang.parser.util.NamedInputStream;
  29
  30 /**
  31  * This class represents implementation of StatementStreamSource in order to emit YANG statements using supplied
  32  * StatementWriter.
  33  *
  34  * @deprecated Use {@link YangStatementStreamSource} instead.
  35  */
  36 @Deprecated
  37 public final class YangStatementSourceImpl implements StatementStreamSource {
  38     private final YangStatementParserListenerImpl yangStatementModelParser;
  39     private final StatementContext statementContext;
  40     private final String sourceName;
  41
  42     public YangStatementSourceImpl(final String fileName, final boolean isAbsolute) {
  43         try {
  44             final NamedFileInputStream is = loadFile(fileName, isAbsolute);
  45             sourceName = is.toString();
  46             statementContext = YangStatementStreamSource.parseYangSource(is);
  47             yangStatementModelParser = new YangStatementParserListenerImpl(sourceName);
  48         } catch (IOException | URISyntaxException | YangSyntaxErrorException e) {
  49             throw Throwables.propagate(e);
  50         }
  51     }
  52
  53     public YangStatementSourceImpl(final InputStream inputStream) {
  54         try {
  55             sourceName = inputStream instanceof NamedInputStream ? inputStream.toString() : null;
  56             statementContext = YangStatementStreamSource.parseYangSource(inputStream);
  57             yangStatementModelParser = new YangStatementParserListenerImpl(sourceName);
  58         } catch (IOException | YangSyntaxErrorException e) {
  59             throw Throwables.propagate(e);
  60         }
  61     }
  62
  63     public YangStatementSourceImpl(final SourceIdentifier identifier, final StatementContext statementContext) {
  64         this.statementContext = statementContext;
  65         this.sourceName = identifier.getName();
  66         yangStatementModelParser = new YangStatementParserListenerImpl(sourceName);
  67     }
  68
  69     @Override
  70     public void writePreLinkage(final StatementWriter writer, final QNameToStatementDefinition stmtDef) {
  71         yangStatementModelParser.setAttributes(writer, stmtDef);
  72         ParseTreeWalker.DEFAULT.walk(yangStatementModelParser, statementContext);
  73     }
  74
  75     @Override
  76     public void writeLinkage(final StatementWriter writer, final QNameToStatementDefinition stmtDef,
  77             final PrefixToModule preLinkagePrefixes) {
  78         writeLinkage(writer, stmtDef, preLinkagePrefixes, YangVersion.VERSION_1);
  79     }
  80
  81     @Override
  82     public void writeLinkage(final StatementWriter writer, final QNameToStatementDefinition stmtDef,
  83             final PrefixToModule preLinkagePrefixes, final YangVersion yangVersion) {
  84         yangStatementModelParser.setAttributes(writer, stmtDef, preLinkagePrefixes, yangVersion);
  85         ParseTreeWalker.DEFAULT.walk(yangStatementModelParser, statementContext);
  86     }
  87
  88     @Override
  89     public void writeLinkageAndStatementDefinitions(final StatementWriter writer,
  90             final QNameToStatementDefinition stmtDef, final PrefixToModule prefixes) {
  91         writeLinkageAndStatementDefinitions(writer, stmtDef, prefixes, YangVersion.VERSION_1);
  92     }
  93
  94     @Override
  95     public void writeLinkageAndStatementDefinitions(final StatementWriter writer,
  96             final QNameToStatementDefinition stmtDef, final PrefixToModule prefixes, final YangVersion yangVersion) {
  97         yangStatementModelParser.setAttributes(writer, stmtDef, prefixes, yangVersion);
  98         ParseTreeWalker.DEFAULT.walk(yangStatementModelParser, statementContext);
  99     }
 100
 101     @Override
 102     public void writeFull(final StatementWriter writer, final QNameToStatementDefinition stmtDef,
 103             final PrefixToModule prefixes) {
 104         writeFull(writer, stmtDef, prefixes, YangVersion.VERSION_1);
 105     }
 106
 107     @Override
 108     public void writeFull(final StatementWriter writer, final QNameToStatementDefinition stmtDef,
 109             final PrefixToModule prefixes, final YangVersion yangVersion) {
 110         yangStatementModelParser.setAttributes(writer, stmtDef, prefixes, yangVersion);
 111         ParseTreeWalker.DEFAULT.walk(yangStatementModelParser, statementContext);
 112     }
 113
 114     private NamedFileInputStream loadFile(final String fileName, final boolean isAbsolute)
 115             throws URISyntaxException, IOException {
 116         //TODO: we need absolute path first!
 117         return isAbsolute ? new NamedFileInputStream(new File(fileName), fileName)
 118                 : new NamedFileInputStream(new File(getClass().getResource(fileName).toURI()), fileName);
 119     }
 120
 121     public StatementContext getYangAST() {
 122         return statementContext;
 123     }
 124
 125     @Override
 126     public String toString() {
 127         return sourceName;
 128     }
 129 }